RESUMO Introdução O salto em distância horizontal consiste em quatro partes: corrida de aproximação, impulsão, voo e queda. Objetivo Estudar a influência da ginástica no salto em distância horizontal. Métodos Oito jardins de infância em uma cidade foram selecionados e divididos em um grupo experimental e um grupo de controle. As crianças do grupo experimental atuaram nos módulos de ginástica e de condicionamento físico. Cada módulo foi submetido a um ciclo contínuo de atividades ao ar livre de manhã e à tarde de atividades infantis, de 1º de junho de 2021 a 31 de março de 2010, por um total de 9 meses. Resultados Durante o período de intervenção, não houve diferença significativa entre o grupo experimental e o grupo controle (P > 0,05), mas houve diferença significativa entre o grupo experimental e as meninas antes e depois da intervenção experimental (P < 0,05), enquanto a diferença entre os meninos não foi estatisticamente significativa, indicando que a amplitude do movimento do tornozelo das meninas foi ligeiramente mais afetada do que a dos meninos durante a intervenção de condicionamento físico. Conclusão Com o aumento da idade e do tempo de treinamento, a faixa de variação do ângulo de articulação das crianças mais velhas no grupo experimental foi significativamente maior do que a do grupo de controle. Nível de evidência II; Estudos terapêuticos - investigação dos resultados do tratamento.

ABSTRACT Introduction The standing long jump consists of four parts: pre-swing, take-off, flying, and landing. Objective Analyze the influence of gymnastics game fitness on standing long jump. Methods Eight kindergartens in a city were selected and divided into experimental and control groups. The children in the experimental group were intervened in gymnastics and game fitness modules. Each module was intervened in a rolling cycle in the morning and afternoon outdoor activities of children from June 1, 2021, to March 31, 2010, for nine months. Results During the intervention period, there was no significant difference between the experimental group and the control group (P > 0.05), but there was a significant difference between the experimental group and the girls before and after the experimental intervention (P < 0.05), while the difference between boys was not statistically significant, indicating that the range of ankle movement of girls was slightly more affected than boys during the fitness intervention. Conclusion With the increase in age and training time, the change range of joint angles of older children in the experimental group is significantly higher than that in the control group. Level of evidence II; Therapeutic studies - investigation of treatment results.

RESUMEN Introducción El salto de longitud horizontal consta de cuatro partes: carrera de aproximación, impulsión, vuelo y caída. Objetivo Analizar la influencia de la gimnasia en el salto de longitud de pie. Métodos Se seleccionaron ocho guarderías de una ciudad y se dividieron en un grupo experimental y otro de control. Los niños del grupo experimental realizaron módulos de gimnasia y fitness. Cada módulo intervino en un ciclo continuo de actividades al aire libre por la mañana y por la tarde desde el 1 de junio de 2021 hasta el 31 de marzo de 2010, durante nueve meses. Resultados Durante el período de intervención, no hubo diferencias significativas entre el grupo experimental y el grupo de control (P > 0,05), pero sí entre el grupo experimental y las chicas antes y después de la intervención experimental (P < 0,05), mientras que la diferencia entre los chicos no fue estadísticamente significativa, lo que indica que la amplitud de movimiento del tobillo de las chicas se vio ligeramente más afectada que la de los chicos durante la intervención de acondicionamiento físico. Conclusión Al aumentar la edad y el tiempo de entrenamiento, el rango de variación de los ángulos articulares de los niños mayores del grupo experimental es significativamente mayor que el del grupo de control. Nivel de evidencia II; Estudios terapéuticos - investigación de los resultados del tratamiento.

Abstract The purpose of this work was to systematically evaluate the intervention effects of video games training (VGT) on the gross motor skills (GMS) development of children with cerebral palsy (CP). Seven Chinese and English databases (PubMed, Embase, Web of Science, Cochrane Library, China National Knowledge Infrastructure, Wanfang, EBSCO) were searched. Data were retrieved from randomized controlled trials on the GMS among individuals with CP. The retrieval was from the inception of each database to March 16, 2021. The included studies were evaluated quantitatively using the PEDro Scale. Then, relevant data were inputted and analyzed in Review Manager 5.4. Thirteen papers were included: seven written in English and six in Chinese. In the three subordinate concept of GMS, VGT could significantly improve locomotor skills (LS) (standardized mean difference = 0.80, 95% confidence interval 0.55-105, P<0.00001), and non-locomotor skills (NLS) (standardized mean difference = 0.83, 95% confidence interval 0.38-1.28, P=0.0003) in CP. However, there was no significant difference in object control skills (OCS), when compared with the control group (standardized mean difference = 0.55, 95% confidence interval -0.01-0.72, P=0.05). VGT can improve LS and NLS in CP, but the effect on OCS is uncertain; therefore, it is recommended that additional high-quality literature be included in the future. In general, VGT has been proven an effective intervention tool on the GMS development in CP.

Resumen Este artículo intentó evaluar sistemáticamente el efecto de la intervención del entrenamiento con videojuegos (VGT) en el desarrollo de las habilidades motoras gruesas (GMS) de niños con parálisis cerebral (CP), basándose en un cuerpo de datos logrado de las conclusiones de pruebas controladas aleatorias sobre las habilidades motoras gruesas de niños con CP, obtenidos de la búsqueda sistemática en siete bases de datos chinos y extranjeros, tales como PubMed, Embase, Web of Science, Cochrane Library, China National Knowledge Infrastructure, Wanfang y EBSCO. El lapso de búsqueda fue desde la fecha de establecimiento de cada base de datos hasta el 16 de marzo del 2021. Se aplicó la escala PEDro para realizar un estudio cuantitativo y después, se analizaron los datos relevantes con Review Manager 5.4. Se incluyeron 13 publicaciones, 7 artículos escritos en inglés y 6 en chino. En el marco del concepto de los tres subordinados de GMS, la VGT podría mejorar significativamente la habilidad locomotora (LS) (diferencia de medias estandarizada = 0.80, intervalo de confianza del 95%: 0.55-105, P<0.00001), y las habilidades no locomotoras (NLS) (diferencia de medias estandarizada = 0.83, intervalo de confianza del 95%: 0.38-1.28, P= 0,0003) en PC; pero no hubo una diferencia significativa en las habilidades de control de objetos (OCS), cuando se compararon con el grupo control (diferencia de medias estandarizada= 0,55, intervalo de confianza del 95% -0,01-0,72, P= 0,05). En conclusión, el VGT puede mejorar las LS y NLS en CP, pero el efecto sobre OCS es incierto; por lo que se recomienda la inclusión de literatura adicional de alta calidad en el futuro. De este modo se pudo demostrar que el VGT es una herramienta de intervención eficaz en el desarrollo de las GMS en niños con CP.

ABSTRACT Purpose Shen-fu injection (SFI) was used to intervene in the resuscitation of porcine hemorrhagic shock (HS) model to study its protective effects on acute kidney injury. Methods After 60 min of HS, 28 animals were randomly assigned into four groups. The groups were as follows: hemorrhagic shock group (HS); HS resuscitation with shed-blood group (HSR); HS resuscitation with shed-blood and SFI (1 mL·kg–1) group (HSR-SFI); and the sham operation group (Sham). The bloods were analyzed for serum creatinine (sCr), cystatin C (CysC) and neutrophil gelatinase-associated lipocalin (NGAL). BAX, Bcl-2, and caspase-3 protein expressions by Western blot analysis and immunohistochemical staining. The renal tissues were removed and pathologic changes were observed. Results Mean aortic pressure (MAP) in HSR-SFI groups were higher than that in HSR groups after shock. At the 6th hour after shock, the urine volume per hour in the HSR-SFI groups was more than that in the HSR groups. The sCr, NGAL, CysC and cytokine levels of HSR-SFI groups were lower. The Bcl-2 expression was increased in the HSR-SFI groups. The BAX and caspase-3 expressions were reduced. The histopathologic score in the HSR-SFI was lower. Conclusions SFI may reduce the risk of acute kidney injury (AKI) following hemorrhagic shock by attenuating systemic inflammatory responses, and regulating the expression of apoptosis-related proteins.

This paper presented a study of friction and wear on 9Cr18Mo when rubbed against other materials (steel-304, steel-440C, steel-GCr15 or silicon nitride ceramic ball) at high temperature conditions. Friction and wear tests were carried out with universal a friction and wear testing machine. The wear morphology was analyzed by a Nanovea three-dimensional profilometer and trinocular positive Gang metallurgical microscope. The Vickers hardness of 9Cr18Mo at different temperatures was tested by means of a high temperature vacuum hardometer. Results showed that the friction and wear on the contact surface of the 9Cr18Mo sample are higher when the hardness of counter materials is higher than or similar to that of the sample. Under dry sliding conditions, the 9Cr18Mo sample surface presented various degrees of adhesion, plowing and pit, particularly if tested in the presence of a high temperature environment. During the worn stages, the counter materials on the worn surface successively produced cracks, crack growth, and wear debris under the action of load. Moreover, the frictional pair 9Cr18Mo-ceramic showed good anti-wear behavior at 400 °C that proved the anti high temperature performance of 9Cr18Mo.

ABSTRACT To increase rice yield potential, field experiments were conducted in farmers’ paddies in 2011 and 2012 to evaluate the effects of different nitrogen applications on the yield and panicle components of three typical indica hybrid rice varieties in Sichuan Province. The number of grains per panicle resulting from late nitrogen application (LA) was 12 % greater than that obtained from traditional nitrogen application (TA); this increase was the main source of improvements in yield. The number of surviving and differentiated spikelets (NSS and NDiS) resulting from LA was significantly higher than that measured under TA, especially for the Fyou498 cultivar, where the NSS and NDiS increased by 15 % and 14 %, respectively. Compared with TA, the number of degenerated secondary branches and the percentage of degenerated secondary branches (NDeSB and PDeSB) were significantly reduced by 9 % and 11 %, respectively, by LA. This is the first study to demonstrate that an increase in NSS and a decrease in NDeSB lead to yield-improving effects attributable to LA. The grain yields of different varieties ranged from 9225.6 to 9408.7 kg ha−1, the PDeSB was as high as 31 %, and the number of surviving secondary branches (NSSB) was significantly and positively correlated with NSS. These data indicate that the yield of indica hybrid rice has considerable potential for being improved, and increasing NSSB is key to increasing NSS and improving the grain yield. These improvements should be pursued so as to increase the yield of hybrid rice to ensure both food security and sustainable agricultural development.

OBJECTIVE: Ventricular septal defects resulting from post-traumatic cardiac injury are very rare. Percutaneous closure has emerged as a method for treating this disorder. We wish to report our experience in three patients who underwent percutaneous closure of a post-traumatic ventricular septal defect with a patent ductus arteriosus occluder. METHODS: We treated three patients with post-traumatic ventricular septal defects caused by stab wounds with knives. After the heart wound was repaired, patient examinations revealed ventricular septal defects with pulmonary/systemic flow ratios (Qp/Qs) of over 1.7. The post-traumatic ventricular septal defects were closed percutaneously with a patent ductus arteriosus occluder (Lifetech Scientific (Shenzhen) Co., LTD, Guangdong, China) utilizing standard techniques. RESULTS: Post-operative transthoracic echocardiography revealed no residual left-to-right shunt and indicated normal ventricular function. In addition, 320-slice computerized tomography showed that the occluder was well placed and exhibited normal morphology. CONCLUSION: Our experiences indicate that closure of a post-traumatic ventricular septal defect using a patent ductus arteriosus occluder is feasible, safe, and effective.

Single crystalline Ca2Ge7O16 nanowires have been synthesized using CaO and GeO2 as the raw materials. Various factors that affect the formation and size of the Ca2Ge7O16 nanowires have been analyzed. The obtained products are characterized by X-ray diffraction, transmission electron microscopy and scanning electron microscopy. The results show that the calcium germanate nanowires are composed of orthorhombic Ca2Ge7O16 phase with the length and diameter of several dozens of micrometers and about 50 nm, respectively. Hydrothermal temperature plays an important role on the formation and growth of the Ca2Ge7O16 nanowires. The formation process of the Ca2Ge7O16 nanowires is initially interpreted according to the shape evolution of the products obtained from different growth conditions.