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ABSTRACT Introduction: Tai chi chuan training claims to not only promote the circulation of internal energy in the body to achieve a preventive and healing effect of diseases, but also to improve static and dynamic body balance. While the former claims are not validable, the question about the effectiveness of improving balance remains valid. Objective: Verify the characteristics of lower limb balance during tai chi chuan practice. Methods: Selected volunteers underwent a bioelectricity testing system via noninvasive surface electromyography to evaluate muscle activity during the exercises. The results were collected, cataloged and statistically work on corresponding graphs according to different content of literature research for objective analysis. Results: The variation of the displacement of the center of gravity was controlled within 0.1M, the most unstable time of the center of gravity was about 0.65s before the start of balance. In temporal terms, it is found that the order of discharge of each muscle tested in the vertical balance and unilateral support was as follows: the tibialis anterior muscle discharges first, the rectus femoris and biceps femoris second, finally gastrocnemius, gluteus medius and gluteus maximus joint discharge almost at the same time. Conclusion: Some benefit is perceived in the validity of improving lateral balance velocity, shortening the action completion time, and improving balance stability, improving the quality of action in practitioners of this exercise modality. Level of evidence II; Therapeutic studies - investigation of treatment outcomes.
RESUMO Introdução: O treinamento do tai chi chuan alega não só promover a circulação de energia interna no corpo para alcançar um efeito preventivo e curador de doenças, mas também aprimorar o equilíbrio estático e dinâmico corporal. Enquanto as primeiras afirmações não são validáveis, o questionamento sobre a eficácia no aprimoramento do equilíbrio permanece válido. Objetivo: Verificar as características do equilíbrio nos membros inferiores durante a prática do tai chi chuan. Métodos: Voluntários selecionados passaram por um sistema de testes com bioeletricidade via eletromiografia superficial não invasiva para avaliar a atividade muscular durante os exercícios. Os resultados foram coletados, catalogados e estatisticamente trabalhos sobre gráficos correspondentes, de acordo com diferentes conteúdos de pesquisa literária, para análise objetiva. Resultados: A variação do deslocamento do centro gravitacional foi controlada dentro de 0,1M, o tempo mais instável do centro de gravidade foi cerca de 0,65s antes do início do equilíbrio. Em termos temporais, constata-se que a ordem de descarga de cada músculo testado no equilíbrio vertical e apoio unilateral foi a seguinte: o músculo tibial anterior descarrega primeiro, o reto femoral e bíceps femoral em segundo lugar, finalmente conjunto gastrocnêmico, glúteos médios e glúteo máximo descarregam quase ao mesmo tempo. Conclusão: Percebe-se algum benefício na validade de aprimorar a velocidade de balanço lateral, encurtar o tempo de conclusão da ação e melhorar a estabilidade do equilíbrio, melhorando a qualidade da ação em praticantes dessa modalidade de exercício. Nível de evidência II; Estudos terapêuticos - investigação dos resultados do tratamento.
RESUMEN Introducción: El entrenamiento de Tai chi chuan pretende no sólo promover la circulación de la energía interna en el cuerpo para lograr un efecto preventivo y curativo contra las enfermedades, sino también mejorar el equilibrio corporal estático y dinámico. Mientras que las primeras afirmaciones no son válidas, la pregunta sobre la eficacia de la mejora del equilibrio sigue siendo válida. Objetivo: Verificar las características del equilibrio de los miembros inferiores durante la práctica del tai chi chuan. Métodos: Los voluntarios seleccionados se sometieron a un sistema de pruebas de bioelectricidad mediante electromiografía de superficie no invasiva para evaluar la actividad muscular durante los ejercicios. Los resultados fueron recogidos, catalogados y trabajados estadísticamente en los gráficos correspondientes según los diferentes contenidos de la investigación literaria para su análisis objetivo. Resultados: La variación del desplazamiento del centro de gravedad se controló dentro de 0,1M, el tiempo más inestable del centro de gravedad fue de unos 0,65s antes del inicio del equilibrio. En términos temporales, se encontró que el orden de descarga de cada músculo probado en el equilibrio vertical y el apoyo unilateral fue el siguiente: el músculo tibial anterior descarga primero, el recto femoral y el bíceps femoral segundo, finalmente el gastrocnemio, el glúteo medio y el glúteo mayor descargan casi al mismo tiempo. Conclusión: Se percibe algún beneficio en la validez de mejorar la velocidad de equilibrio lateral, acortar el tiempo de finalización de la acción y mejorar la estabilidad del equilibrio, mejorando la calidad de la acción en los practicantes de esta modalidad de ejercicio. Nivel de evidencia II; Estudios terapéuticos - investigación de los resultados del tratamiento.
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Objective@# To investigate the influence of different feeding ways on the incidence rate of complication in patients with congenital cleft lip and their family satisfaction degree.@*Methods@# A retrospective analysis were conducted from 90 cases underwent surgery of congenital cleft lip with clinical data, were randomly assigned to the control group and the observation group, 45 cases in each. The control group routinely take spoon feeding way after surgery, whereas patients in the observation group does not change the feeding way in the past, continuely taking the nipple feeding or breastfeeding. Wound infection rate, wound rupture rate, crying in the process of feeding and parents' satisfaction were compared between the two groups.@*Results@#The wound infection rate and wound rate of the observation group were 2.2% and 0 respectively, the control group were 4.4% and 0 respectively. There was no significant difference between the 2 groups in the 2 index (P > 0.05). In the observation group, the crying children were less than the control group, In the observation group, the degree of coordination, parental satisfaction and acceptance of feeding were 84.4%, 88.9%, 93.3%, respectively, the control group were 55.6%, 60.0%, 66.7%. The observation group were better than the control group. The differences between groups was statistically significant (χ2coordination degree = 8.94, χ2satisfaction degree = 9.87, χ2recognition degree = 10.00, P < 0.05).@*Conclusion@# Children under the age of 1 with congenital grade Ⅰ and Ⅱ cleft lip do not change the way of feeding after surgery , who continue to take the bottle or breastfeeding can better meet the needs of children fed liquid diet, crying reduce, get parents' recogniton and reduce the burden on parents than the control group conventionally fed with a spoon.