Abstract Introduction: Exercise is being incorporated into the treatment of patients on hemodialysis; however, little is known about the major characteristics of these interventions. Objective: To describe the exercise protocols prescribed for hemodialysis patients in Brazil. Methods: A scoping review was conducted following JBI and Prisma-ScR guidelines. Searches were carried out in Medline, Embase and three other databases until May 2024. Other sources (websites, books and guidelines) were also investigated. Evidence from patients on hemodialysis describing exercise protocols in all settings and designs in Brazil was included. Results: Forty-five pieces of evidence were found, resulting in 54 exercise protocols from 16 Brazilian states. Strength exercises (33.3%), followed by aerobic exercises (22.2%), were the most prescribed, mainly to be performed during dialysis (85.2%). The most prevalent professionals supervising the programs were physiotherapists and exercise physiologists (37.0% and 18.5%, respectively). All protocols implemented the principles of type and frequency training, while progression was adopted in only 53.7%. The main prescription was three times per week (88.9%). Exercise intensity was predominantly determined by subjective methods (33.3%). Conclusion: Aerobic and strength exercises during dialysis were the most commonly prescribed modalities in Brazil, with the majority of programs being properly supervised by qualified professionals. However, existing protocols have not employed systematic progression throughout the intervention, which would be appropriate for providing better physiological responses and adaptations. Introduction however interventions Objective Methods PrismaScR Prisma ScR guidelines Medline 2024 websites, websites (websites investigated included Results Fortyfive Forty five found 5 1 states 33.3%, 333 33.3% , 33 3 (33.3%) 22.2%, 222 22.2% 22 2 (22.2%) 85.2%. 852 85.2% . 85 (85.2%) 37.0% 370 37 0 (37.0 185 18 18.5% respectively. respectively respectively) training 537 53 7 53.7% 88.9%. 889 88.9% 88 9 (88.9%) 33.3%. Conclusion However intervention adaptations 202 33.3 (33.3% 22.2 (22.2% 85.2 8 (85.2% 37.0 (37. 18.5 53.7 88.9 (88.9% 20 33. (33.3 22. (22.2 85. (85.2 37. (37 18. 53. 88. (88.9 (33. (22. (85. (3 (88. (33 (22 (85 ( (88 (2 (8

Resumo Introdução: O exercício físico está sendo incorporado ao tratamento de pacientes em hemodiálise, porém pouco se sabe sobre as principais características dessas intervenções. Objetivo: Descrever os protocolos de exercício físico prescritos para pacientes em hemodiálise no Brasil. Métodos: Uma revisão de escopo foi conduzida de acordo com as diretrizes JBI e Prisma-ScR. Foram realizadas pesquisas na Medline, Embase e em outras três bases de dados até maio de 2024. Outras fontes (sites, livros e diretrizes) também foram pesquisadas. Foram incluídas evidências de pacientes em hemodiálise, descrevendo protocolos de exercício físico em todos os ambientes e desenhos no Brasil. Resultados: Encontradas 45 evidências, resultando em 54 protocolos de exercício físico de 16 estados brasileiros. O exercício de força (33,3%), seguido do exercício aeróbico (22,2%), foi o mais prescrito para ser realizado durante a diálise (85,2%). Os profissionais mais prevalentes na supervisão dos programas foram fisioterapeutas e profissionais de educação física (37,0% e 18,5%, respectivamente). Todos os protocolos adotaram os princípios de treinamento tipo e frequência, enquanto a progressão foi adotada em apenas 53,7%. A frequência mais prescrita foi três vezes por semana (88,9%). A intensidade do exercício foi determinada predominantemente por métodos subjetivos (33,3%). Conclusão: Os exercícios aeróbicos e de força durante a diálise foram as modalidades mais prescritas no Brasil, com a maioria dos programas sendo adequadamente supervisionada por profissionais qualificados. No entanto, os protocolos existentes não adotaram a progressão sistemática no decorrer da intervenção, o que seria adequado para proporcionar melhores respostas e adaptações fisiológicas. Introdução intervenções Objetivo Brasil Métodos PrismaScR. PrismaScR Prisma ScR. ScR Prisma-ScR Medline 2024 sites, sites (sites pesquisadas Resultados 4 5 1 brasileiros 33,3%, 333 33,3% , 33 3 (33,3%) 22,2%, 222 22,2% 22 2 (22,2%) 85,2%. 852 85,2% . 85 (85,2%) 37,0% 370 37 0 (37,0 185 18 18,5% respectivamente. respectivamente respectivamente) 537 53 7 53,7% 88,9%. 889 88,9% 88 9 (88,9%) 33,3%. Conclusão qualificados entanto intervenção fisiológicas 202 33,3 (33,3% 22,2 (22,2% 85,2 8 (85,2% 37,0 (37, 18,5 53,7 88,9 (88,9% 20 33, (33,3 22, (22,2 85, (85,2 37, (37 18, 53, 88, (88,9 (33, (22, (85, (3 (88, (33 (22 (85 ( (88 (2 (8

Abstract Background: Chronic Chagas cardiomyopathy (CCC) is caused by an inflammatory process induced by Trypanosoma cruzi, which leads to myocarditis with reactive and reparative fibrosis. CCC progresses with myocardial perfusion abnormalities and histopathological events that affect cardiorespiratory fitness (CRF). Objectives: We evaluated the effects of aerobic physical training (APT) on myocardial perfusion and on morphological and functional impairments related with inflammation and fibrosis in Syrian hamsters with CCC. As a secondary objective, we analyzed the cross-sectional areas of the skeletal muscle. Methods: Hamsters with CCC and their respective controls were divided into four groups: CCC sedentary, CCC-APT, sedentary control and APT control. Seven months after infection, the animals underwent echocardiography, myocardial perfusion scintigraphy and cardiopulmonary exercise testing. Moderate-intensity APT was performed for fifty minutes, five times a week, for eight weeks. Subsequently, the animals were reassessed. Histopathological analysis was conducted after the above-mentioned procedures. The level of significance was set at 5% in all analyses (p<0.05). Results: CCC sedentary animals presented worse myocardial perfusion defects (MPD) over time, reduced left ventricle ejection fraction (LVEF) and showed more inflammation and fibrosis when compared to other groups (mixed ANOVA analysis). Conversely, APT was able to mitigate the progression of MPD, ameliorate inflammation and fibrosis and improve CRF efficiency in CCC-APT animals. Conclusions: Our study demonstrated that APT ameliorated cardiac dysfunction, MPD, and reduced inflammation and fibrosis in CCC hamster models. Additionally, CCC-SED animals presented skeletal muscle atrophy while CCC-APT animals showed preserved skeletal muscle CSA. Understanding APT's effects on CCC's pathophysiological dimensions is crucial for future research and therapeutic interventions. Background (CCC cruzi CRF. . (CRF) Objectives (APT objective crosssectional cross sectional Methods CCCAPT, CCCAPT APT, infection echocardiography testing Moderateintensity Moderate intensity minutes week weeks Subsequently reassessed abovementioned above mentioned procedures 5 p<0.05. p005 p p<0.05 0 05 (p<0.05) Results MPD (MPD time LVEF (LVEF mixed analysis. analysis) Conversely Conclusions dysfunction models Additionally CCCSED SED CSA APTs s CCCs interventions (CRF p00 p<0.0 (p<0.05 p0 p<0. (p<0.0 p<0 (p<0. p< (p<0 (p< (p

Resumo Fundamento: A Cardiomiopatia Chagásica Crônica (CCC) é causada por um processo inflamatório induzido pelo Trypanosoma cruzi, que leva à miocardite com fibrose reativa e reparativa. A CCC progride com alterações de perfusão miocárdica e eventos histopatológicos que afetam a Aptidão Cardiorrespiratória (ACR). Objetivos: Avaliamos os efeitos do Treinamento Físico Aeróbico (TFA) na perfusão miocárdica e nos comprometimentos morfológicos e funcionais relacionados à inflamação e fibrose em hamsters sírios com CCC. Como objetivo secundário, analisamos as áreas de secção transversa do músculo esquelético. Métodos: Hamsters com CCC e seus respectivos controles foram divididos em quatro grupos: CCC sedentário, CCC-TFA, controle sedentário e controle TFA. Sete meses após a infecção, os animais foram submetidos à ecocardiografia, à cintilografia de perfusão miocárdica e ao teste de esforço cardiopulmonar. TFA de intensidade moderada foi realizado durante cinquenta minutos, cinco vezes por semana, por oito semanas. Posteriormente, os animais foram reavaliados. A análise histopatológica foi realizada após os procedimentos acima mencionados. O nível de significância foi estabelecido em 5% em todas as análises (p<0,05). Resultados: Animais com CCC sedentários apresentaram piores Defeitos de Perfusão Miocárdica (DPM) ao longo do tempo, Fração de Ejeção do Ventrículo Esquerdo (FEVE) reduzida, e apresentaram mais inflamação e fibrose quando comparados aos demais grupos (análise ANOVA mista). Por outro lado, o TFA foi capaz de mitigar a progressão do DPM, atenuar a inflamação e a fibrose e melhorar a eficiência da ACR em animais CCC-TFA. Conclusão: Nosso estudo demonstrou que o TFA melhorou a disfunção cardíaca, DPM e reduziu a inflamação e a fibrose em modelos de hamster com CCC. Além disso, os animais CCC-SED apresentaram atrofia do músculo esquelético, enquanto os animais CCC-TFA apresentaram a AST do músculo esquelético preservada. Compreender os efeitos da TFA nas dimensões fisiopatológicas da CCC é crucial para futuras pesquisas e intervenções terapêuticas. Fundamento (CCC cruzi reparativa ACR. . (ACR) Objetivos (TFA secundário Métodos CCCTFA, CCCTFA TFA, infecção ecocardiografia cardiopulmonar minutos semana semanas Posteriormente reavaliados mencionados 5 p<0,05. p005 p p<0,05 0 05 (p<0,05) Resultados (DPM tempo FEVE (FEVE reduzida mista. mista mista) lado CCCTFA. Conclusão cardíaca disso CCCSED SED preservada terapêuticas (ACR p00 p<0,0 (p<0,05 p0 p<0, (p<0,0 p<0 (p<0, p< (p<0 (p< (p

RESUMEN El entrenamiento de intervalos de alta intensidad (HIIT) promueve adaptaciones similares y, en algunos casos, superiores al entrenamiento aeróbico continuo de intensidad moderada. En esta condición, tiende a tener una mayor alteración fisiológica y acumulación de metabolitos en comparación con las intensidades submáximas, siendo uno de los principales factores asociados con la respuesta negativa del placer en el entrenamiento. Objetivo: Verificar la relación entre las respuestas fisiológicas y psicofisiológicas para repetir el entrenamiento de dos protocolos HIIT de carga del mismo volumen y diferentes períodos de trabajo en adultos entrenados de ambos sexos. Métodos: En un experimento aleatorizado, la muestra estuvo constituida por 9 individuos de 28±5 años, masa corporal 69,6±14,2 kg, altura 169±0,1cm, IMC 24,1±2,3 kg/m2 y porcentaje de grasa corporal 20,2±7,9% practicantes de ejercicios físicos aeróbicos estructurados durante al menos seis meses. Se realizaron dos protocolos HIIT diferentes en bicicleta estática, siendo protocolo 1: 0,5, con intensidad prescrita (80-90% de la FC MÁXIMA), protocolo 1: 2 con intensidad prescrita (total) con duración total del esfuerzo de 20 minutos e intervalo de al menos 48 horas entre cada sesión. Se analizaron la frecuencia cardíaca (FC), presión arterial sistémica (PAS), percepción subjetiva de esfuerzo (PSE), escala analógica visual (EVA), respuesta afectiva (FS), diversión (PACES) e intención de repetir la sesión. El análisis estadístico utilizado fue ANOVA con post-hoc de Tukey (p<0,05). Resultados: Los análisis de HR, PAS, EVA, PACES y PSE no mostraron diferencias significativas entre los protocolos de entrenamiento. La respuesta afectiva (FS e intención de repetir) mostró una disminución en el protocolo 1:0,5, pero sin significancia (p>0,05). Conclusión: Los datos permiten concluir que el protocolo 1:2 causó mayores alteraciones fisiológicas durante el esfuerzo y presentó mayor respuesta afectiva positiva e intención de repetir la sesión de ejercicio, variables que pueden contribuir para la adhesión al ejercicio físico. Nivel de Evidencia I; Estudios Terapéuticos - Investigación de los Resultados del Tratamiento. (HIIT casos moderada condición submáximas Objetivo sexos Métodos aleatorizado 285 28 5 28± años 696142 69 6 14 69,6±14, kg 16901cm cm 169 0 1cm 169±0,1cm 24123 24 1 3 24,1±2, kgm2 kgm m2 m kg/m 20279 7 20,2±7,9 meses estática 05 0,5 8090% 8090 80 90% 90 (80-90 MÁXIMA, MÁXIMA , MÁXIMA) (total 4 FC, (FC) PAS (PAS) PSE, (PSE) EVA (EVA) FS, FS (FS) (PACES posthoc post hoc p<0,05. p005 p p<0,05 . (p<0,05) HR 10,5, 105 1:0,5 p>0,05. p>0,05 (p>0,05) Conclusión 12 físico I Tratamiento 69614 69,6±14 16 2412 24,1±2 2027 20,2±7, 0, 809 8 (80-9 (FC (PAS (PSE (EVA p00 p<0,0 (p<0,05 10 10,5 1:0, p>0,0 (p>0,05 6961 69,6±1 241 24,1± 202 20,2±7 (80- p0 p<0, (p<0,0 10, 1:0 p>0, (p>0,0 696 69,6± 24,1 20,2± (80 p<0 (p<0, p>0 (p>0, 69,6 24, 20,2 (8 p< (p<0 p> (p>0 69, 20, ( (p< (p> (p

ABSTRACT High Intensity Interval Training (HIIT) promotes similar adaptations and in some cases, superior to continuous aerobic training of moderate intensity, even when performed at all-out intensities. In this condition, it tends to have the greatest physiological disturbance and accumulation of metabolites compared to submaximal intensities, being one of the main factors associated with the negative response of pleasure in training. Objective: To verify the relationship between physiological and psychophysiological responses in order to repeat the training of two HIIT protocols of mesm volume load and different periods of work in trained adults of both sexes. Methods: In a randomized experiment, the sample consisted of 9 individuals aged 28±5 years, body mass 69.6±14.2 kg, height 169±0.1cm, BMI 24.1±2.3 kg/m2 and body fat percentage 20.2±7.9% practitioners of structured aerobic physical exercises for at least six months. Two different HIIT protocols were performed on an exercise bike, being (I) protocol 1:0.5, with prescribed intensity (80-90% of MAX HR), (II) protocol 1:2 with prescribed intensity (all-out) with total duration of effort of 20 minutes and interval of at least 48 hours between each session. Heart rate (HR), systemic blood pressure (SBP), subjective perception of exertion (SPE), visual analog scale (VAS), affective response (AR), fun (PACES) and intention to repeat the session were analyzed. The statistical analysis used was ANOVA with Tukey's post-hoc (p<0.05). Results: The analyses of HR, SBP, VAS, PACES and SPE showed no significant difference between the training protocols. The affective response (AR and intention to repeat) showed a decline in the protocol 1:0.5, but without significance (p>0.05). Conclusion: The data allow us to conclude that the 1:2 protocol caused greater physiological disturbances during exertion and presented greater positive affective response and intention to repeat the exercise session, variables that may contribute to adherence to regular physical exercise. Level of Evidence I; Therapeutic studies - Investigation of treatment results. (HIIT cases allout all out intensities condition Objective sexes Methods experiment 285 28 5 28± years 696142 69 6 14 2 69.6±14. kg 16901cm cm 169 0 1cm 169±0.1cm 24123 24 1 3 24.1±2. kgm2 kgm m2 m kg/m 20279 7 20.2±7.9 months bike I (I 10.5, 105 0.5, 1:0.5 8090% 8090 80 90% 90 (80-90 HR , HR) II (II 12 1: (all-out 4 (HR) SBP (SBP) SPE, (SPE) VAS (VAS) AR, AR (AR) (PACES analyzed Tukeys Tukey s posthoc post hoc p<0.05. p005 p p<0.05 . 05 (p<0.05) Results p>0.05. p>0.05 (p>0.05) Conclusion results 69614 69.6±14 16 2412 24.1±2 2027 20.2±7. 10 10.5 0.5 1:0. 809 8 (80-9 (HR (SBP (SPE (VAS p00 p<0.0 (p<0.05 p>0.0 (p>0.05 6961 69.6±1 241 24.1± 202 20.2±7 10. 0. 1:0 (80- p0 p<0. (p<0.0 p>0. (p>0.0 696 69.6± 24.1 20.2± (80 p<0 (p<0. p>0 (p>0. 69.6 24. 20.2 (8 p< (p<0 p> (p>0 69. 20. ( (p< (p> (p

RESUMO O Treinamento Intervalado de Alta Intensidade (HIIT) promove adaptações semelhantes e em alguns casos, superiores ao treinamento aeróbico contínuo de intensidade moderada, mesmo quando executado em intensidades all out. Nesta condição, tende a maior perturbação fisiológica e acúmulo de metabólitos comparado a intensidades submáximas, sendo um dos principais fatores associados a resposta negativa de prazer no treinamento. Objetivo: Verificar qual relação entre respostas fisiológicas e psicofisiológicas na intenção de repetir o treinamento de dois protocolos HIIT de mesmo volume load e distintos períodos de trabalho, em adultos treinados de ambos os sexos. Métodos: Em experimento randomizado, a amostra foi composta por 9 indivíduos com idade entre 28±5 anos, massa corporal 69,6±14,2 kg, estatura 169±0,1cm, IMC 24,1±2,3 kg/m2 e percentual de gordura corporal 20,2±7,9% praticantes de exercícios físicos aeróbicos estruturados por pelo menos seis meses. Realizaram dois diferentes protocolos de HIIT em bicicleta ergométrica, sendo (I) protocolo 1:0,5, com intensidade prescrita (80-90% da FCmáx), (II) protocolo 1:2 com intensidade prescrita (all-out) com duração total de esforço de 20 minutos e intervalo de pelo menos 48 horas entre cada sessão. Foram analisados frequência cardíaca (FC), pressão arterial sistêmica (PAS), percepção subjetiva de esforço (PSE), escala visual analógica (EVA), resposta afetiva (FS), divertimento (PACES) e intenção de repetir a sessão. A análise estatística usada foi ANOVA com post-hoc de Tukey (p<0,05). Resultados: As análises da FC, PAS, EVA, PACES e PSE não apresentaram diferença significativa entre os protocolos de treinamento. As respostas afetivas (FS e intenção de repetir) apresentaram maior declínio no protocolo 1:0,5, porém sem significância (p>0,05). Conclusão: Os dados permitem concluir que o protocolo 1:2 provocou maiores perturbações fisiológicas durante esforço e apresentou maior resposta afetiva positiva e intenção de repetir a sessão de exercício, variáveis que podem vir a contribuir na aderência à prática regular de exercícios físicos. Nível de Evidência I; Estudos terapêuticos – Investigação dos resultados do tratamento. (HIIT casos moderada out condição submáximas Objetivo trabalho sexos Métodos randomizado 285 28 5 28± anos 696142 69 6 14 2 69,6±14, kg 16901cm cm 169 0 1cm 169±0,1cm 24123 24 1 3 24,1±2, kgm2 kgm m2 m kg/m 20279 7 20,2±7,9 meses ergométrica I (I 10,5, 105 0,5, 1:0,5 8090% 8090 80 90% 90 (80-90 FCmáx, FCmáx , FCmáx) II (II 12 1: allout (all-out 4 FC (FC) PAS (PAS) PSE, (PSE) EVA (EVA) FS, FS (FS) (PACES posthoc post hoc p<0,05. p005 p p<0,05 . 05 (p<0,05) Resultados p>0,05. p>0,05 (p>0,05) Conclusão exercício tratamento 69614 69,6±14 16 2412 24,1±2 2027 20,2±7, 10 10,5 0,5 1:0, 809 8 (80-9 (FC (PAS (PSE (EVA p00 p<0,0 (p<0,05 p>0,0 (p>0,05 6961 69,6±1 241 24,1± 202 20,2±7 10, 0, 1:0 (80- p0 p<0, (p<0,0 p>0, (p>0,0 696 69,6± 24,1 20,2± (80 p<0 (p<0, p>0 (p>0, 69,6 24, 20,2 (8 p< (p<0 p> (p>0 69, 20, ( (p< (p> (p

RESUMEN Introducción: El ejercicio físico puede ser una alternativa para prevenir y tratar los efectos nocivos de la obesidad, principalmente los efectos inflamatorios sobre los tejidos del músculo esquelético y del hígado. Sin embargo, no existe consenso sobre cuál es el mejor modelo de entrenamiento físico para este fin. Objetivo: Evaluar las alteraciones morfológicas, metabólicas e inflamatorias del entrenamiento aeróbico y de resistencia en sobre los tejidos músculo esqueléticos y hepáticos de ratas. Métodos: 24 ratas Wistar se dividieron en grupos sedentarios (S), aeróbicos (AE) y de entrenamiento de resistencia (R). Se midieron periódicamente glucosa en sangre, colesterol total y triglicéridos. Después de la eutanasia, se midió la masa corporal para calcular la ganancia de masa total durante el experimento. Se midió la lipoproteína de alta densidad (HDL). Se extrajo tejido adiposo para calcular su porcentaje relativo a la masa corporal, así como hígado, músculos sóleo y gastrocnemio para análisis morfológicos y concentraciones de glucógeno, lípidos y Factor de Necrosis Tumoral α (TNF-α). Para el análisis estadístico fueron utilizados Kruskall-Wallis y el post-test de Dunn, adoptando p<0,05. Resultados: Ambos entrenamientos redujeron el porcentaje de tejido adiposo, masa corporal y la concentración de TNF-α hepático (p<0,05). AE aumentó el HDL sérico, el diámetro de la fibra del gastrocnemio y redujo la dimensión fractal en el sóleo (p<0,05). R redujo la glucosa en sangre y los lípidos séricos y hepáticos, aumentó las concentraciones de glucógeno hepático y sóleo, aumentó el diámetro de la fibra del gastrocnemio y disminuyó el TNF-α (p<0,05). Conclusión: Ambos modelos de entrenamiento redujeron la masa corporal, el tejido adiposo visceral relativo, la concentración sérica de colesterol total y la inflamación hepática. El entrenamiento de resistencia demostró ser más eficaz para promover los efectos metabólicos en el hígado y el músculo esquelético, además de reducir la inflamación muscular en ratas. Nivel de Evidencia V; Opinión del Especialista. Introducción obesidad embargo fin Objetivo morfológicas Métodos 2 S, S , (S) (AE R. . (R) triglicéridos eutanasia experimento HDL. (HDL) TNFα. TNFα TNF (TNF-α) KruskallWallis Kruskall Wallis posttest post test Dunn p005 p 0 05 p<0,05 Resultados (p<0,05) sérico Conclusión hepática V Especialista (S (R (HDL (TNF-α p00 p<0,0 (p<0,05 p0 p<0, (p<0,0 p<0 (p<0, p< (p<0 (p< (p

ABSTRACT Introduction: Physical exercise can be an alternative for preventing and treating the harmful effects of obesity, mainly inflammatory effects on skeletal muscle and liver tissues. However, no consensus exists regarding this purpose's best physical training model. Objective: Evaluate morphological, metabolic, and inflammatory alterations in rats’ skeletal and hepatic muscle tissues caused by aerobic and resistance training. Methods: 24 Wistar rats were divided into sedentary (S), aerobic (AE), and resistance training (R) groups. Blood glucose, total cholesterol, and serum triglycerides were measured periodically. After euthanasia, body mass was measured to calculate the total mass gain during the experiment. High-density lipoprotein (HDL) was measured. Adipose tissue was extracted to calculate its percentage relative to body mass and the liver, soleus, and gastrocnemius muscles for morphological analyses and concentrations of glycogen, lipids, and Tumor Necrosis Factor α (TNF-α). The Kruskall-Wallis test and Dunn's post-test were performed for statistical analysis, adopting p<0.05. Results: Both training models reduced the percentage of adipose tissue, body mass gain, and hepatic TNF-α concentration (p<0.05). AE increased serum HDL, gastrocnemius fiber diameter and reduced the fractal dimension in the soleus (p<0.05). R reduced blood glucose and serum and liver lipids, increased liver and soleus glycogen concentrations, increased gastrocnemius fiber diameter, and decreased TNF-α (p<0.05). Conclusion: Both training models reduced body mass, relative visceral adipose tissue, serum total cholesterol concentration, and liver inflammation. However, resistance training was more effective in promoting metabolic effects in the liver and skeletal muscle and reducing muscle inflammation in rats. Level of Evidence V; Expert Opinion. Introduction obesity However purposes purpose s model Objective Methods 2 S, S , (S) AE, (AE) (R groups periodically euthanasia experiment Highdensity High density HDL (HDL lipids TNFα. TNFα TNF . (TNF-α) KruskallWallis Kruskall Wallis Dunns Dunn posttest post analysis p005 p 0 05 p<0.05 Results (p<0.05) Conclusion V Opinion (S (AE (TNF-α p00 p<0.0 (p<0.05 p0 p<0. (p<0.0 p<0 (p<0. p< (p<0 (p< (p

RESUMO Introdução: O exercício físico pode se apresentar como uma alternativa para prevenção e tratamento de efeitos deletérios da obesidade, principalmente efeitos inflamatórios sobre os tecidos muscular esquelético e hepático. No entanto, não há consenso quanto ao melhor modelo de treinamento físico para tal finalidade. Objetivos: Avaliar alterações morfológicas, metabólicas e inflamatórias dos treinamentos aeróbico e resistido sobre os tecidos muscular esquelético e hepático de ratos. Métodos: 24 ratos Wistar foram divididos nos grupos sedentário (S), treinamento aeróbico (AE) e resistido (R). Glicemia, colesterol total e triglicerídeos séricos foram mensurados periodicamente. Após a eutanásia, a massa corporal foi mensurada para calcular o ganho total de massa durante o experimento. A lipoproteína de alta densidade (HDL) foi dosada. O tecido adiposo foi extraído para cálculo de sua porcentagem relativa à massa corporal assim como o fígado e os músculos sóleo e gastrocnêmio para as análises morfológicas e das concentrações de glicogênio, lipídios e Fator de Necrose Tumoral α (TNF-α). Para análise estatística, foram utilizados o teste de Kruskall-Wallis e o pós-teste de Dunn, adotando-se p<0,05. Resultados: Ambos os modelos de treinamento reduziram o percentual de tecido adiposo, ganho de massa corporal e concentração hepática de TNF-α (p<0,05). AE aumentou o HDL sérico, o diâmetro das fibras do gastrocnêmio e reduziu a dimensão fractal no sóleo (p<0,05). R reduziu a glicemia e os lipídios séricos e hepáticos, aumentou a concentração de glicogênio hepático e sóleo, aumentou o diâmetro das fibras gastrocnêmicas e diminuiu o TNF-α (p<0,05). Conclusão: Ambos os modelos de treinamento reduziram a massa corporal, o tecido adiposo visceral relativo, a concentração sérica de colesterol total e a inflamação hepática. No entanto, o treinamento resistido mostrou-se mais eficaz em promover efeitos metabólicos no fígado e no músculo esquelético, além de reduzir a inflamação muscular em ratos. Nível de Evidência V; Opinião do Especialista. Introdução obesidade entanto finalidade Objetivos Métodos 2 S, S , (S) (AE R. . (R) Glicemia periodicamente eutanásia experimento (HDL dosada TNFα. TNFα TNF (TNF-α) estatística KruskallWallis Kruskall Wallis pósteste pós Dunn adotandose adotando p005 p 0 05 p<0,05 Resultados (p<0,05) sérico hepáticos Conclusão relativo mostrouse mostrou V Especialista (S (R (TNF-α p00 p<0,0 (p<0,05 p0 p<0, (p<0,0 p<0 (p<0, p< (p<0 (p< (p

Abstract Objectives: Exercise rehabilitation is the core of Cardiac Rehabilitation (CR) and will improve the prognosis of patients receiving Percutaneous Coronary Intervention (PCI surgery). The current study retrospectively analyzed the effects of different exercise-based CR strategies on the prognosis of AMI patients receiving PCI treatment. Methods: Clinicopathological information from 127 patients was collected and divided into different groups based on the exercise-based CR received, including Continuous Resistance Exercise (COR), Continuous Aerobic Exercise (COA), Interval Resistance Exercise (IVR), Interval Aerobic Exercise (IVA), Inspiratory Muscle Exercises (ITM), and Control. The differences regarding cardio-pulmonary function, hemodynamics, and life quality were analyzed against different CR strategies. Results: All the exercise-based CR strategies showed improving effects compared with patients in the Control group regarding cardio-pulmonary parameters, with IVR showing the strongest improving effects (IVR > ITM > COR > IVA > COA) (p < 0.05) at the first recoding point. However, the improving effects of exercise-based CR declined with time. Regarding the effects on hemodynamics parameters, the improving effects of exercise-based CR were only observed regarding LVEF, and the effects of IVR were also the strongest (IVR > COR > ITM > COA > IVA) (p < 0.05). Similar improving effects were also observed for 6MWT and life quality (IVR showing the strongest improving effects) (p < 0.05), which all declined three months after the surgery. Conclusions: The current study showed that exercise-based CRs had better improving effects than the normal nursing strategy on the prognosis of AMI patients receiving PCI surgery. Objectives (CR surgery . surgery) exercisebased exercise treatment Methods 12 received COR, , (COR) COA, (COA) IVR, (IVR) IVA, (IVA) ITM, (ITM) cardiopulmonary cardio pulmonary function Results parameters p 0.05 005 0 05 point However time LVEF 0.05. MWT 0.05, Conclusions 1 (COR (COA (IVA (ITM 0.0 00 0.

Abstract Background Recently, a new heart failure (HF) classification was made considering the left ventricular ejection fraction (LVEF) phenotype. Comprehensive assessments of the groups are required to guide patient management. Objective To determine the differences in sociodemographic, clinical, functional aerobic capacity, and health-related quality of life (HRQOL) variables in patients with HF classified with different LVEFs and to explore the correlations between the variables. Methods This work is a cross-sectional descriptive and correlational study. Three groups of patients with HF (LVEF≥50%, LVEF<40%, and LVEF40-49%) were compared. Sociodemographic, clinical variables and functional aerobic capacity with Sit to Stand (STS), 6-minute walk test (6MWT), Duke Activity Status Index (DASI), Minnesota Living with HF Questionnaire (MLFHQ), and Patient Health Questionnaire 9 (PHQ-9) were considered. The Chi-square test, one-way analysis of variance (ANOVA) test, and Spearman's correlation were used for statistical analysis. The statistical significance level was set at 5%. Results A total of 209 patients were admitted with a diagnosis of HF, with a more significant number of men. Marital status was a predominantly stable union in the HF with preserved ejection fraction (HFpEF) and HF with mid-range ejection fraction (HFmrEF) groups. A sedentary lifestyle was lower in the HF with reduced ejection fraction (HFrEF) group 59 (84.3%), p-value = 0.033, and the angina pectoris was higher in the HFpEF 30 (42.9%). Systolic blood pressure at the end of the 6MWT evidenced a higher score in HFpEF 132.0±17.25 concerning HFrEF 128.0±16.57, p-value=0.043. The fat percentage was higher in HFpEF 30.20±8.80 regarding the HFmrEF group 26.51±7.60, p-value = 0.028. Conclusion There were significant differences according to the LVEF classification in marital status, angina symptoms, fat percentage, and blood pressure at rest. Recently (HF (LVEF phenotype management sociodemographic healthrelated health related HRQOL (HRQOL crosssectional cross sectional study LVEF≥50%, LVEF50 50 (LVEF≥50% LVEF40 40 LVEF<40% LVEF4049% LVEF4049 49% 49 LVEF40-49% compared Sociodemographic STS, STS , (STS) 6minute minute 6 6MWT, MWT (6MWT) DASI, DASI (DASI) MLFHQ, MLFHQ (MLFHQ) PHQ9 PHQ (PHQ-9 considered Chisquare Chi square oneway one way ANOVA (ANOVA Spearmans Spearman s 5 5% 20 men (HFpEF midrange mid range (HFmrEF (HFrEF 84.3%, 843 84.3% 84 3 (84.3%) pvalue p value 0033 0 033 0.033 42.9%. 429 42.9% . 42 (42.9%) 13201725 132 17 25 132.0±17.2 12801657 128 16 57 128.0±16.57 pvalue=0.043. pvalue0043 value=0.043. 043 p-value=0.043 3020880 8 80 30.20±8.8 2651760 26 51 7 60 26.51±7.60 0028 028 0.028 symptoms rest LVEF≥50% LVEF5 (LVEF≥50 LVEF4 4 LVEF<40 LVEF404 LVEF40-49 (STS (6MWT (DASI (MLFHQ (PHQ- 2 84.3 (84.3% 003 03 0.03 42.9 (42.9% 1320172 13 1 132.0±17. 1280165 12 128.0±16.5 pvalue=0.043 pvalue004 value0043 value=0.043 04 p-value=0.04 302088 30.20±8. 265176 26.51±7.6 002 02 0.02 LVEF≥50 (LVEF≥5 LVEF<4 LVEF40-4 (PHQ 84. (84.3 00 0.0 42. (42.9 132017 132.0±17 128016 128.0±16. pvalue=0.04 pvalue00 value004 value=0.04 p-value=0.0 30208 30.20±8 26517 26.51±7. LVEF≥5 (LVEF≥ LVEF< LVEF40- (84. 0. (42. 13201 132.0±1 12801 128.0±16 pvalue=0.0 pvalue0 value00 value=0.0 p-value=0. 3020 30.20± 2651 26.51±7 LVEF≥ (84 (42 1320 132.0± 1280 128.0±1 pvalue=0. value0 value=0. p-value=0 302 30.20 265 26.51± (8 (4 132.0 128.0± pvalue=0 value=0 p-value= 30.2 26.51 ( 132. 128.0 pvalue= value= 30. 26.5 128. 26.

ABSTRACT Post-acute COVID-19 syndrome, or long COVID, presents with persistent symptoms, including cough, dyspnea, and fatigue, extending beyond one month after SARS-CoV-2 infection. Cardiac complications such as chest pain and arrhythmias have raised concerns, with chronotropic incompetence (CI), an inadequate heart rate increase during exercise, emerging as a significant condition contributing to diminished exercise tolerance and quality of life. This study estimated the prevalence of CI and explored its association with aerobic capacity and physical activity levels in long COVID patients. A cross-sectional study was conducted at a private hospital in Sergipe, Brazil, involving 93 patients over 18 years old with persistent post-COVID-19 symptoms after confirmed SARS-CoV-2 infections. Exclusion criteria included beta-blocker use, inadequate respiratory exchange ratio, and inability to complete cardiopulmonary exercise testing (CPET). Clinical histories, CPET results, and chronotropic index calculation were used to identify CI, with logistic regression analyzing associated factors. Of the participants (mean age 45 years; average duration since COVID-19 diagnosis 120 days), 20.4% were diagnosed with CI. Logistic regression identified a strong association between CI and sedentary behavior (OR 11.80; 95% CI 2.54 to 54.78; p=0.001). Patients with CI showed lower predicted peak heart rates and maximal oxygen uptake. The prevalence of CI among long COVID patients in this study was approximately 20%, associated with decreased aerobic capacity and increased sedentary behavior. These findings highlight the need for timely diagnosis and therapeutic interventions, including cardiopulmonary rehabilitation, to enhance the quality of life in post-COVID patients with CI. The study’s cross-sectional design and its specific context have limited causality inference and generalizability, underscoring the importance of further research in diverse settings. Postacute Post acute COVID19 19 COVID-1 syndrome cough dyspnea fatigue SARSCoV2 SARSCoV SARS CoV 2 SARS-CoV- infection concerns , (CI) crosssectional cross sectional Sergipe Brazil 9 1 postCOVID19 postCOVID post post-COVID-1 infections betablocker beta blocker use ratio CPET. . (CPET) histories results factors mean 4 12 days, days days) 204 20 20.4 OR 11.80 1180 11 80 95 254 54 2.5 54.78 5478 78 p=0.001. p0001 p p=0.001 0 001 p=0.001) uptake 20% interventions rehabilitation studys s generalizability settings COVID1 COVID- SARS-CoV (CI postCOVID1 post-COVID- (CPET 20. 11.8 118 8 25 5 2. 54.7 547 7 p000 p=0.00 00 11. 54. p00 p=0.0 p0 p=0. p=0 p=

Abstract Background: Currently, excess ventilation has been grounded under the relationship between minute-ventilation/carbon dioxide output ( V ˙ E − V ˙ CO 2). Alternatively, a new approach for ventilatory efficiency ( η E V ˙) has been published. Objective: Our main hypothesis is that comparatively low levels of η E V ˙ between chronic heart failure (CHF) and chronic obstructive pulmonary disease (COPD) are attainable for a similar level of maximum and submaximal aerobic performance, conversely to long-established methods ( V ˙ E − V ˙ CO 2 slope and intercept). Methods: Both groups performed lung function tests, echocardiography, and cardiopulmonary exercise testing. The significance level adopted in the statistical analysis was 5%. Thus, nineteen COPD and nineteen CHF-eligible subjects completed the study. With the aim of contrasting full values of V ˙ E − V ˙ CO 2 and η V ˙ E for the exercise period (100%), correlations were made with smaller fractions, such as 90% and 75% of the maximum values. Results: The two groups attained matched characteristics for age (62±6 vs. 59±9 yrs, p>.05), sex (10/9 vs. 14/5, p>0.05), BMI (26±4 vs. 27±3 Kg m2, p>0.05), and peak V ˙ O 2 (72±19 vs. 74±20 %pred, p>0.05), respectively. The V ˙ E − V ˙ CO 2 slope and intercept were significantly different for COPD and CHF (27.2±1.4 vs. 33.1±5.7 and 5.3±1.9 vs. 1.7±3.6, p<0.05 for both), but η V ˙ E average values were similar between-groups (10.2±3.4 vs. 10.9±2.3%, p=0.462). The correlations between 100% of the exercise period with 90% and 75% of it were stronger for η V ˙ E (r>0.850 for both). Conclusion: The η V ˙ E is a valuable method for comparison between cardiopulmonary diseases, with so far distinct physiopathological mechanisms, including ventilatory constraints in COPD. Background Currently minuteventilation/carbon minuteventilationcarbon minute ventilation/carbon carbon 2. . 2) Alternatively published Objective (CHF (COPD performance longestablished long established intercept. intercept) Methods tests echocardiography testing 5 5% Thus CHFeligible eligible study 100%, 100 , (100%) fractions 90 75 Results 62±6 626 62 6 (62± vs 599 59 9 59± yrs p>.05, p05 p p>.05 05 p>.05) 10/9 109 10 (10/ 145 14 14/5 p>0.05, p005 p>0.05 0 p>0.05) 26±4 264 26 4 (26± 273 27 3 27± m2 m 72±19 7219 72 19 (72±1 7420 74 20 74±2 pred %pred respectively 27.2±1.4 27214 1 (27.2±1. 33157 33 7 33.1±5. 5319 5.3±1. 1736 1.7±3.6 p<0.0 both, both both) betweengroups 10.2±3.4 10234 (10.2±3. 10923 10.9±2.3% p=0.462. p0462 p=0.462 462 p=0.462) r>0.850 r0850 r 850 (r>0.85 both. Conclusion diseases mechanisms minuteventilation ventilationcarbon (100% 62± (62 p0 p>.0 10/ (10 14/ p00 p>0.0 26± (26 72±1 721 (72± 742 74± 27.2±1. 2721 (27.2±1 3315 33.1±5 531 5.3±1 173 1.7±3. p<0. 10.2±3. 1023 (10.2±3 1092 10.9±2.3 p046 p=0.46 46 r>0.85 r085 85 (r>0.8 (100 (6 p>. (1 p>0. (2 72± (72 27.2±1 272 (27.2± 331 33.1± 53 5.3± 17 1.7±3 p<0 10.2±3 102 (10.2± 10.9±2. p04 p=0.4 r>0.8 r08 8 (r>0. p> p>0 (7 27.2± (27.2 33.1 5.3 1.7± p< 10.2± (10.2 10.9±2 p=0. r>0. r0 (r>0 27.2 (27. 33. 5. 1.7 10.2 (10. 10.9± p=0 r>0 (r> 27. (27 1. 10. 10.9 p= r> (r

Resumo Fundamento: Atualmente, o excesso de ventilação tem sido fundamentado na relação entre ventilação-minuto/produção de dióxido de carbono ( V ˙ E − V ˙ CO 2). Alternativamente, uma nova abordagem para eficiência ventilatória ( η E V ˙) tem sido publicada. Objetivo: Nossa hipótese principal é que níveis comparativamente baixos de η E V ˙ entre insuficiência cardíaca crônica (ICC) e doença pulmonar obstrutiva crônica (DPOC) são atingíveis para um nível semelhante de desempenho aeróbico máximo e submáximo, inversamente aos métodos estabelecidos há muito tempo (inclinação V ˙ E − V ˙ CO 2 e intercepto). Métodos: Ambos os grupos realizaram testes de função pulmonar, ecocardiografia e teste de exercício cardiopulmonar. O nível de significância adotada na análise estatística foi 5%. Assim, dezenove indivíduos elegíveis para DPOC e dezenove indivíduos elegíveis para ICC completaram o estudo. Com o objetivo de contrastar valores completos de V ˙ E − V ˙ CO 2 e η E V ˙ para o período de exercício (100%), correlações foram feitas com frações menores, como 90% e 75% dos valores máximos. Resultados: Os dois grupos tiveram características correspondentes para a idade (62±6 vs 59±9 anos, p>.05), sexo (10/9 vs 14/5, p>0,05), IMC (26±4 vs 27±3 Kg m2, p>0,05), e pico V ˙ O 2 (72±19 vs 74±20 % pred, p>0,05), respectivamente. A inclinação V ˙ E − V ˙ CO 2 e intercepto foram significativamente diferentes para DPOC e ICC (207,2±1,4 vs 33,1±5,7 e 5,3±1,9 vs 1,7±3,6, p<0,05 para ambas), mas os valores médios da η E V ˙ foram semelhantes entre os grupos (10,2±3,4 vs 10,9±2,3%, p=0,462). As correlações entre 100% do período do exercício com 90% e 75% dele foram mais fortes para η E V ˙ (r>0,850 para ambos). Conclusão: A η E V ˙ é um método valioso para comparação entre doenças cardiopulmonares, com mecanismos fisiopatológicos até agora distintos, incluindo restrições ventilatórias na DPOC. Fundamento Atualmente ventilaçãominuto/produção ventilaçãominutoprodução minuto/produção minuto produção 2. . 2) Alternativamente publicada Objetivo (ICC (DPOC submáximo intercepto. intercepto) Métodos cardiopulmonar 5 5% Assim estudo 100%, 100 , (100%) menores 90 75 máximos Resultados 62±6 626 62 6 (62± 599 59 9 59± anos p>.05, p05 p p>.05 05 p>.05) 10/9 109 10 (10/ 145 14 14/5 p>0,05, p005 p>0,05 0 p>0,05) 26±4 264 26 4 (26± 273 27 3 27± m2 m 72±19 7219 72 19 (72±1 7420 74 20 74±2 pred respectivamente 207,2±1,4 207214 207 1 (207,2±1, 33157 33 7 33,1±5, 5319 5,3±1, 1736 1,7±3,6 p<0,0 ambas, ambas ambas) 10,2±3,4 10234 (10,2±3, 10923 10,9±2,3% p=0,462. p0462 p=0,462 462 p=0,462) r>0,850 r0850 r 850 (r>0,85 ambos. ambos ambos) Conclusão cardiopulmonares distintos ventilaçãominuto minutoprodução (100% 62± (62 p0 p>.0 10/ (10 14/ p00 p>0,0 26± (26 72±1 721 (72± 742 74± 207,2±1, 20721 (207,2±1 3315 33,1±5 531 5,3±1 173 1,7±3, p<0, 10,2±3, 1023 (10,2±3 1092 10,9±2,3 p046 p=0,46 46 r>0,85 r085 85 (r>0,8 (100 (6 p>. (1 p>0, (2 72± (72 207,2±1 2072 (207,2± 331 33,1± 53 5,3± 17 1,7±3 p<0 10,2±3 102 (10,2± 10,9±2, p04 p=0,4 r>0,8 r08 8 (r>0, p> p>0 (7 207,2± (207,2 33,1 5,3 1,7± p< 10,2± (10,2 10,9±2 p=0, r>0, r0 (r>0 207,2 (207, 33, 5, 1,7 10,2 (10, 10,9± p=0 r>0 (r> 207, (207 1, 10, 10,9 p= r> (r (20

Resumo Antecedentes As metas de reabilitação devem ser focadas nas expectativas funcionais de pessoas com doenças neuromusculares (DNM) para que sejam objetivas e alcançáveis. Objetivo Investigar programas de reabilitação capazes de modificar a atividade/participação de pessoas com DNM. Foi realizada busca nas bases de dados: Embase, BVS/Lilacs, Physiotherapy Evidence Database (PEDro), CINAHL/EBSCO e Medline em junho/2021. A última atualização foi realizada em março de 2023. Métodos Foram incluídos estudos clínicos randomizados investigando qualquer terapia de reabilitação para pessoas com DNM com desfecho voltado para atividade/participação da Classificação Internacional de Funcionalidade e Saúde (CIF). Terapias farmacológicas foram excluídas. Os resultados foram sintetizados de acordo com os Core Sets da CIF para DNM. A qualidade metodológica e o nível de evidência foram avaliados usando os critérios PEDro e Grading of Recommendations Assessment, Development, and Evaluation (GRADE). Esta revisão sistemática foi registrada na PROSPERO (CRD42020209359). Resultados De 1943 estudos identificados, 12 foram incluídos com uma qualidade metodológica entre regular e boa. O exercício aeróbio de intensidade leve a moderada foi a intervenção mais estudada. A mobilidade foi avaliada em todos os estudos incluídos. Conclusão A variabilidade dos tipos de DNM e o baixo número amostral dos estudos incluídos contribuem para uma evidência muito limitada de intervenções focadas na atividade/participação de pessoas com DNM. O exercício aeróbio de baixa a moderada intensidade parece melhorar a mobilidade, autocuidado e participação de pessoas com DNM, especialmente para as DNM de progressão lenta. (DNM alcançáveis atividadeparticipação atividade dados Embase BVSLilacs BVS Lilacs BVS/Lilacs PEDro, , (PEDro) CINAHLEBSCO CINAHL EBSCO junho2021 junho 2021 junho/2021 2023 CIF. . (CIF) excluídas Assessment Development GRADE. GRADE (GRADE) CRD42020209359. CRD42020209359 CRD (CRD42020209359) 194 identificados 1 boa estudada lenta (PEDro junho202 202 junho/202 (CIF (GRADE CRD4202020935 (CRD42020209359 19 junho20 20 junho/20 CRD420202093 (CRD4202020935 junho2 2 junho/2 CRD42020209 (CRD420202093 junho/ CRD4202020 (CRD42020209 CRD420202 (CRD4202020 CRD42020 (CRD420202 CRD4202 (CRD42020 CRD420 (CRD4202 CRD42 (CRD420 CRD4 (CRD42 (CRD4 (CRD

Abstract Background To be objective and achievable, the rehabilitation goals must be focused on the functional expectations of patients with neuromuscular disease (NMD). Objective Investigate rehabilitation programs that are able to modify the activity/participation of patients with NMD. Data search: Embase, BVS/Lilacs, Physiotherapy Evidence Database (PEDro), CINAHL/EBSCO, and Medline were searched in June 2021. It was last updated in March 2023. Methods Randomized controlled trials investigating any rehabilitation therapy for patients with NMD with an outcome encompassing the activity/participation components of the International Classification of Functioning, Disability and Health (ICF) were included. Pharmacological therapy studies were excluded. The results were synthesized according to the ICF core sets for NMD. The methodological quality and level of evidence were assessed using PEDro criteria and Grading of Recommendations Assessment, Development, and Evaluation (GRADE). This systematic review followed the PRISMA 2020 guideline and was registered at PROSPERO (CRD42020209359). Results Of a total of 1943 identified studies, 12 were included in this review with a methodological quality between regular and good. Light to moderate-intensity aerobic exercise was the most studied intervention. The mobility was assessed in all included studies. Conclusion The variability of the types of NMD and the small sample size of the included studies demonstrates that there is very limited evidence of interventions focused on the activity/participation of individuals with NMD. Light to moderate-intensity aerobic exercise seems to improve the mobility, self-care, and social participation of patients with NMD, especially those with slow progression. achievable . (NMD) activityparticipation activity search Embase BVSLilacs BVS Lilacs BVS/Lilacs PEDro, , (PEDro) CINAHLEBSCO CINAHL EBSCO CINAHL/EBSCO 2021 2023 Functioning (ICF excluded Assessment Development GRADE. GRADE (GRADE) 202 CRD42020209359. CRD42020209359 CRD (CRD42020209359) 194 1 good moderateintensity moderate intensity intervention selfcare, selfcare self care, care self-care progression (NMD (PEDro (GRADE 20 CRD4202020935 (CRD42020209359 19 2 CRD420202093 (CRD4202020935 CRD42020209 (CRD420202093 CRD4202020 (CRD42020209 CRD420202 (CRD4202020 CRD42020 (CRD420202 CRD4202 (CRD42020 CRD420 (CRD4202 CRD42 (CRD420 CRD4 (CRD42 (CRD4 (CRD

Abstract Studies investigating the effects of different modalities of exercises on the immune system are scarce. Therefore, the aim of this study was to compare the effects of eight weeks of resistance and aerobic training on the proliferation of T and B lymphocytes from mice. Eighteen male C56BL6/J mice were divided into groups (n=6), sedentary, aerobic, and resistance training. After 8 weeks, animals were euthanized, and their splenocytes were labeled and cultured with and without stimulation. Lymphocyte proliferation (CD4+, CD8+ and CD21/CD35+) was evaluated by flow cytometry. The mice subjected to resistance exercise exhibited greater proliferation for total, CD8+ and B lymphocytes (p<0.05), but not CD4+ cells (p>0.05), compared with their sedentary counterparts. We found significant correlations between maximum load and total, CD8+ and B lymphocytes proliferation rates (p<0.05). In conclusion, our results showed that resistance training promoted an improvement in the immune response associated with CD8+ and B lymphocytes. scarce Therefore C56BL6J CBLJ C56BL6 J C BL n=6, n6 n n=6 , 6 (n=6) euthanized stimulation CD4+, CD4 CD (CD4+ CD8 CD21/CD35+ CD21CD35 CDCD CD21 CD35 cytometry total p<0.05, p005 p p<0.05 0 05 (p<0.05) p>0.05, p>0.05 (p>0.05) counterparts p<0.05. . conclusion CBL C56BL n= (n=6 (CD4 CD21/CD35 CD21CD3 CD2 CD3 p00 p<0.0 (p<0.05 p>0.0 (p>0.05 (n= (CD CD21/CD3 CD21CD p0 p<0. (p<0.0 p>0. (p>0.0 (n CD21/CD p<0 (p<0. p>0 (p>0. p< (p<0 p> (p>0 (p< (p> (p

The purpose of this study was to verify the association between angiotensin-converting enzyme (ACE) genotypes DD, DI, and II and caffeine (CAF) ingestion on endurance performance, heart rate, ratio of perceived exertion (RPE), and habitual caffeine intake (HCI) of adolescent athletes. Seventy-four male adolescent athletes (age: DD=16±1.7; DI=16±2.0; II=15±1.7 years) ingested CAF (6 mg/kg) or placebo (PLA) one hour before performing the Yo-Yo Intermittent Recovery level 1 (Yo-Yo IR1) test. No difference was found among groups for HCI. However, CAF increased the maximal distance covered and VO2max in DI and II genotype carriers compared to PLA (DD: Δ=31 m and 0.3 mL·kg-1·min-1; DI: Δ=286 m and 1.1 mL·kg-1·min-1; II: Δ=160 m and 1.4 mL·kg-1·min-1). Heart rate of DI and II genotype carriers increased with CAF compared to PLA, while RPE was higher in the II and lower in the DD genotypes. The correlations between HCI and maximal distance covered or VO2max were significant in the II genotype carriers with CAF. CAF increased endurance capacity, heart rate, and RPE in adolescent athletes with allele I, while endurance performance and aerobic power had a positive correlation to HCI in the II genotype group. These findings suggested that DD genotype were less responsive to CAF and that genetic variations should be taken into account when using CAF supplementation to enhance exercise performance. angiotensinconverting angiotensin converting ACE (ACE (CAF RPE, , (RPE) (HCI Seventyfour Seventy four age (age DD=16±1.7 DD1617 16 7 DI=16±2.0 DI1620 2 0 II1517 15 II=15±1. years 6 ( mg/kg mgkg mg kg (PLA YoYo Yo IR1 IR test However VOmax VO max (DD Δ31 Δ 31 Δ=3 03 3 0. mL·kg1·min1 mLkg1min1 mLkgmin mL·kg 1·min mL min mL·kg-1·min-1 Δ286 286 Δ=28 11 1. Δ160 160 Δ=16 14 4 mL·kg1·min1. . mL·kg-1·min-1) capacity I group (RPE DD=16±1. DD161 DI=16±2. DI162 II151 II=15±1 Δ3 Δ= kg1 min1 mL·kg1·min mLkg mLkg1min 1min mL·kg-1·min- Δ28 28 Δ=2 Δ16 Δ=1 DD=16±1 DD16 DI=16±2 DI16 II15 II=15± mL·kg-1·min Δ2 Δ1 DD=16± DD1 DI=16± DI1 II1 II=15 DD=16 DI=16 II=1 DD=1 DI=1 II= DD= DI=

Resumo Introdução A doença pulmonar obstrutiva crônica (DPOC) não apenas restringe o fluxo aéreo, mas também induz mani-festações sistêmicas em indivíduos com a doença. Objetivo Avaliar o efeito de um programa de exercícios aeróbicos aquáticos na força muscular respiratória (FMR), mobilidade torácica, dispneia e capacidade funcional em pacientes com DPOC. Métodos Realizou-se um ensaio clínico randomizado cego com 22 pacientes com DPOC, divi-dindo-os em grupo controle (GC) e grupo treinamento (GT). O GT participou de 24 sessões de um programa de exercícios aeróbicos aquáticos, enquanto o GC participou somente das avaliações. Foram me-didas a pressão respiratória máxima, (PRM) dispneia e capa-cidade funcional. Resultados Ao comparar os valores da PRM (cmH2O) nas condições pré e pós-treinamento, os resultados revelaram melhora significativa no GT [pressão inspiratória má-xima (PImáx): 74,8 ± 15,3 vs. 83,9 ± 17,2; pressão expiratória máxima (PEmáx): 141,5 ± 30,7 vs. 157,6 ± 32,9], enquanto não observou-se diferença para o GC (PImáx: 55,5 ± 21,8; vs. 54,4 ± 18,4; PEmáx: 116,2 ± 40,3 vs. 109,3 ± 38,9). Em relação à mobilidade torácica nas condições pré e pós-treinamento, não foi encontrada diferença significativa para o GC, enquanto para o GT houve um aumento significante no nível axilar (cm) (5,9 ± 1,8 vs. 7,7 ± 1,1). Com relação à capacidade funcional, houve aumento significativo da distância percorrida durante o teste de caminhada de 6 minutos apenas no GT quando comparadas as condições pré e pós-treinamento (462,1 ± 62,9 vs. 538,5 ± 63,7). Por fim, os resultados da dispneia demonstraram que após o período de treinamento houve uma redução importante nas pontuações do Medical Research Council (3,1 ± 0,8 vs. 1,9 ± 0,7) e nas escalas Borg CR-10 (5,2 ± 0,8 vs. 3,7 ± 0,3) apenas para o GT. Conclusão O trei-namento físico aquático promoveu alterações benéficas na força muscular respiratória, mobilidade torácica, capacidade funcional e dispneia em pacientes com DPOC. DPOC (DPOC aéreo manifestações mani festações FMR, FMR , (FMR) Realizouse Realizou se 2 dividindoos divi dindo (GC . (GT) avaliações medidas me didas (PRM capa cidade cmH2O cmHO cmH (cmH2O póstreinamento, póstreinamento pós treinamento, má xima PImáx (PImáx) 748 74 8 74, 153 15 3 15, vs 839 83 9 83, 17,2 172 17 PEmáx (PEmáx) 1415 141 5 141, 307 30 7 30, 1576 157 157, 32,9, 329 32,9 32 32,9] observouse observou (PImáx 555 55 55, 21,8 218 21 544 54 4 54, 18,4 184 18 1162 116 116, 403 40 40, 1093 109 109, 38,9. 389 38,9 38 38,9) cm (cm 5,9 59 (5, 1 1, 77 7, 1,1. 11 1,1 1,1) 462,1 4621 462 (462, 629 62 62, 5385 538 538, 63,7. 637 63,7 63 63,7) fim 3,1 31 (3, 08 0 0, 19 0,7 07 CR10 CR 10 CR-1 5,2 52 37 3, 0,3 03 trei namento (FMR (GT 17, (PEmáx 14 32, 21, 18, 38, 5, (5 462, 46 (462 53 63, (3 CR1 CR- ( (46 (4

Abstract Introduction Chronic obstructive pulmonary disease (COPD) not only restricts airflow but also induces sys-temic manifestations in individuals with the disease. Objective To evaluate the effect of a water-based aero-bic exercise program on respiratory muscle strength, thoracic mobility, dyspnea, and functional capacity in patients with COPD. Methods We conducted a blind randomized controlled trial with 22 patients with COPD, dividing them into a control group (CG) and a training group (TG). The TG participated in 24 sessions of a water aerobic exercise program, while the CG only partici-pated in the evaluations. Maximal respiratory pressure (MRP), dyspnea, and functional capacity were measured. Results When comparing the MRP values (cmH2O) in the pre- and post-training conditions, the results revealed a significant improvement in the TG [maximal inspiratory pressure (MIP): 74.8 ± 15.3 vs. 83.9 ± 17.2; maximal expi-ratory pressure (MEP): 141.5 ± 30.7 vs. 157.6 ± 32.9], whereas no difference was observed for the CG (MIP: 55.5 ± 21.8 vs. 54.4 ± 18.4; MEP: 116.2 ± 40.3 vs. 109.3 ± 38.9). Regarding thoracic mobility in the pre- and post-training conditions, no significant difference was found for the CG, whilst for the TG there was a significant in-crease at the axillary level (cm) (5.9 ± 1.8 vs. 7.7 ± 1.1). With respect to functional capacity, there was a signifi-cant increase in walking distance during the six-minute walking test only in the TG when comparing pre- and post-training conditions (462.1 ± 62.9 vs. 538.5 ± 63.7). Lastly, the dyspnea results demonstrated that after the training period there was a major reduction in the scores of Medical Research Council (3.1 ± 0.8 vs. 1.9 ± 0.7) and Borg CR-10 scales (5.2 ± 0.8 vs. 3.7 ± 0.3) only for the TG. Conclusion The water aerobic exercise training promoted beneficial changes in respiratory mus-cle strength, thoracic mobility, functional capacity and dyspnea among patients with COPD. COPD (COPD systemic sys temic waterbased based aero bic strength 2 (CG . (TG) partici pated evaluations MRP, , (MRP) measured cmH2O cmHO cmH O (cmH2O pre posttraining post MIP (MIP) 748 74 8 74. 153 15 3 15. vs 839 83 9 83. 17.2 172 17 expiratory expi ratory MEP (MEP) 1415 141 5 141. 307 30 7 30. 1576 157 6 157. 32.9, 329 32.9 32 32.9] (MIP 555 55 55. 218 21 21. 544 54 4 54. 18.4 184 18 1162 116 116. 403 40 40. 1093 109 109. 38.9. 389 38.9 38 38.9) crease cm (cm 5.9 59 (5. 1 1. 77 7. 1.1. 11 1.1 1.1) signifi cant sixminute six minute 462.1 4621 462 (462. 629 62 62. 5385 538 538. 63.7. 637 63.7 63 63.7) Lastly 3.1 31 (3. 08 0 0. 19 0.7 07 CR10 CR 10 CR-1 5.2 52 37 3. 0.3 03 mus cle (TG (MRP 17. (MEP 14 32. 18. 38. 5. (5 462. 46 (462 53 63. (3 CR1 CR- ( (46 (4

Abstract The objective of this systematic review and meta-analysis was to investigate whether the administration of branched-chain amino acids (BCAAs) reduces exercise-induced muscle damage (EIMD) markers following eccentric exercise (EE) compared to a placebo (PL). The Cochrane bias risk tool and NutriGrade scale were used to critically evaluate the included studies. Forest plots were used to visualize the standardized mean differences (SMD) and p-values. The included studies were randomized controlled trials with either a placebo or crossover randomized design. The assessment of EIMD markers was compared between the intervention (BCAA) and placebo situations at 0, 24, 48, 72, and 96 hours after the EE protocol. Subgroup analyses were conducted to assess the effects of BCAA intake on creatine kinase concentration based on follow-up times (immediately, 24 hours, 48 hours, 72 hours, 96 hours), dosage (≥ 10 g/day, < 10 g/day), administration duration (≥ 1 week, < 1 week), exercise type (aerobic, anaerobic), and training status (trained, untrained). The intervention situation showed a significant reduction in indirect markers of EIMD compared to the placebo situation (p = 0.001; I2 = 81%). Subgroup analyses indicated that BCAA administration had a significant reducing effect on creatine kinase levels in trials with a dosage of ≥ 10 g/day, anaerobic exercise, trained individuals, and an ingestion duration of less than 1 week. The findings of this study suggest that BCAA administration reduces EIMD markers following chronic EE in both trained and untrained individuals. BCAA administration reduces creatine kinase activity at 48 hours, 72 hours, and overall post-EE compared to a placebo. metaanalysis meta analysis branchedchain branched chain BCAAs (BCAAs exerciseinduced induced (EIMD (EE PL. PL . (PL) SMD (SMD pvalues. pvalues p values. values p-values design (BCAA 0 9 protocol followup follow up immediately, immediately (immediately 2 4 7 , hours) ( gday g day g/day g/day) week week) aerobic, aerobic (aerobic anaerobic, anaerobic) trained, (trained untrained. untrained) 0.001 0001 001 I 81%. 81 81% 81%) individuals postEE post (PL 0.00 000 00 8 0.0 0.

Abstract Objective To investigate the influence of aerobic exercise on myocardial injury, NF-B expression, glucolipid metabolism and inflammatory factors in rats with Coronary Heart Disease (CHD) and explore the possible causative role. Methods 45 Sprague Dawley® rats were randomized into model, control and experimental groups. A high-fat diet was adopted for generating a rat CHD model, and the experimental group was given a 4-week aerobic exercise intervention. ECG was utilized to evaluate the cardiac function of the rats; HE staining to evaluate the damage of myocardial tissue; TUNEL staining to evaluate cardiomyocyte apoptosis level; ELISA to assay the contents of inflammatory factors and glucolipid metabolism in cardiomyocytes; qPCR to assay IB- and NF-B mRNA expression; Western-blot to assay the apoptosis-related proteins and NF-B signaling pathway-related proteins expressions in myocardial tissue. Results In contrast to the model group, aerobic exercise strongly improved the rat's cardiac function and glucolipid metabolism (p < 0.01), enhanced IL-10 content, Bcl-2/Bax level as well as IB- protein and mRNA expression (p < 0.01), and reduced myocardial injury and cardiomyocyte apoptosis, the contents of IL-6, IL-1 and TNF-, Caspase 3 level, NF-B mRNA and protein expression and p-p38 and p-STAT3 expressions (p < 0.01). Conclusion Aerobic exercise can not only effectively reduce myocardial injury, the release of inflammatory factors and NF-B expression in CHD rats, but also improve cardiac function and glucolipid metabolism. Its mechanism is likely to be related to the inhibition of the NF-B signaling pathway. NFB NF B (CHD role 4 Dawley groups highfat high fat 4week week intervention tissue cardiomyocytes IB Westernblot Western blot apoptosisrelated pathwayrelated pathway s p 0.01, 001 0.01 , 0 01 0.01) IL10 IL 10 content Bcl2/Bax Bcl2Bax BclBax Bcl 2/Bax 2 Bax IL6, IL6 6, 6 IL-6 IL1 1 IL- TNF, TNF TNF- pp38 pp p38 p-p3 pSTAT3 pSTAT STAT3 STAT p-STAT 0.01. . 00 0.0 Bcl2 2Bax pp3 p3 p-p 0.

Resumo Antecedentes Níveis elevados de condicionamento físico estão associados a melhorias no desempenho cognitivo. Nesse sentido, correlatos eletroencefalográficos são utilizados na investigação do papel aprimorador do exercício físico sobre as funções executivas. Tem sido proposto que as oscilações na faixa de frequência β são evidenciadas durante a atividade sensório-motora. Objetivo Investigar as alterações eletroencefalográficas influenciadas por exercícios aeróbio e resistido realizados em uma tarefa atencional analisando as diferenças da potência absoluta de β nas regiões pré-frontal e frontal antes, na preparação e depois do paradigma oddball em praticantes e não praticantes de exercício físico. Métodos Foram recrutados 15 praticantes de atividade física (idade 27 ± 4.71) e 15 não praticantes (idade 28 ± 1.50). Uma análise de variância (ANOVA) de duas vias foi implementada para observação do efeito principal e a interação entre os grupos e os momentos (repouso 1, pré-estímulo e repouso 2). Resultados Uma interação entre os fatores grupo e momento para Fp1 (p < 0,001); Fp2 (p = 0,001); F7 (p < 0,001); F8 (p < 0,001); F3 (p < 0,001); Fz (p < 0,001); e F4 (p < 0,001) foi observada. Os achados eletrofisiológicos esclareceram a especificidade e a eficiência neural dos praticantes de exercício físico em cada subárea pré-frontal e frontal. Conclusão Nossos achados promovem o entendimento atual dos processos cognitivos subjacentes ao exercício físico e acrescentam novas evidências sobre a relação exercício e atividade cortical. cognitivo sentido executivas sensóriomotora. sensóriomotora sensório motora. motora sensório-motora préfrontal pré antes 1 idade 2 4.71 471 4 71 1.50. 150 1.50 . 50 1.50) ANOVA (ANOVA préestímulo estímulo 2. 2) Fp p 0,001 0001 0 001 F observada cortical 4.7 47 7 1.5 5 0,00 000 00 4. 1. 0,0 0,

Abstract Background High levels of physical conditioning are associated with improvements in cognitive performance. In this sense, electroencephalographic (ECG) correlates are used to investigate the enhancing role of physical exercise on executive functions. Oscillations in the β frequency range are proposed to be evident during sensorimotor activity. Objective To investigate the ECG changes influenced by aerobic and resistance exercises performed in an attention task by analyzing the differences in absolute β power in the prefrontal and frontal regions before, during, and after the oddball paradigm in practitioners and nonpractitioners of physical exercise. Methods There were 15 physical activity practitioners (aged 27 ± 4.71) and 15 nonpractitioners (age 28 ± 1.50) recruited. A two-way analysis of variance (ANOVA) was implemented to observe the main effect and the interaction between groups and moments (rest 1, pre-stimulus, and rest 2). Results An interaction between group and moment factors was observed for Fp1 (p < 0.001); Fp2 (p = 0.001); F7 (p < 0.001); F8 (p < 0.001); F3 (p < 0.001); Fz (p < 0.001); and F4 (p < 0.001). Electrophysiological findings clarified exercisers' specificity and neural efficiency in each prefrontal and frontal subarea. Conclusion Our findings lend support to the current understanding of the cognitive processes underlying physical exercise and provide new evidence on the relationship between exercise and cortical activity. performance sense (ECG functions before 1 aged 2 4.71 471 4 71 age 1.50 150 50 recruited twoway two way ANOVA (ANOVA prestimulus, prestimulus pre stimulus, stimulus pre-stimulus 2. . 2) Fp p 0.001 0001 0 001 0.001) F 0.001. exercisers subarea 4.7 47 7 1.5 5 0.00 000 00 4. 1. 0.0 0.