RESUMO: Este estudo teve como objetivo relacionar a força muscular de membros inferiores com a funcionalidade do joelho de idosas praticantes de hidroginástica. Trata-se se de um estudo transversal realizado entre junho e setembro de 2016 na cidade de Maringá no Paraná. A amostra foi composta por 147 idosas praticantes de hidroginástica. Foi utilizado o teste de levantar e sentar da cadeira por 30 segundos e o questionário Cincinnati. Observou-se que as idosas apresentaram nível fraco de força muscular de membro inferior [Md = 13 (Q1 = 11; Q3 = 16)]. Verificou-se correlação significativa (p = 0,001) e moderada (r = 0,68) entre a força muscular de membros inferiores e a funcionalidade do joelho. A correlação moderada entre a força muscular de membros inferiores e a funcionalidade do joelho das idosas sugere uma importante associação entre essas variáveis. DESCRITORES: Atividade motora; Envelhecimento; Aptidão física; Promoção da saúde; Gerontologia. MUSCLE STRENGTH AND KNEE FUNCTIONALITY OF ELDERLY WOMEN PRACTICING WATER AEROBICSABSTRACT: The objective in this study was to relate the lower limb muscle strength with the knee functionality of elderly women practicing water aerobics. A cross-sectional study was developed between June and September 2016 in the city of Maringá, state of Paraná, Brazil. The sample consisted of 147 elderly women practicing water aerobics. The 30-second chair stand test and the Cincinnati questionnaire were used. It was observed that the elderly women presented low levels of lower limb muscle strength [Md = 13 (Q1 = 11; Q3 = 16)]. A significant (p = 0.001) and moderate (r = 0.68) correlation was found between lower limb muscle strength and knee functionality. The moderate correlation between the lower limb muscle strength and knee functionality of the elderly women suggests an important association between these variables. DESCRIPTORS: Motor activity; Aging; Physical aptitude; Health promotion; Gerontology. RESUMEN: El objetivo de este estudio fue relacionar la fuerza muscular de miembros inferiores con la funcionalidad de la rodilla de ancianas practicantes de aquagym. Se trata de un estudio trasversal desarrollado entre junio y septiembre de 2016 en la ciudad de Maringá, estado de Paraná, Brasil. La muestra incluyó a 147 ancianas practicantes de aquagym. Fue utilizado la prueba 30-second chair stand y el cuestionario Cincinnati. Se observó que las ancianas presentaron nivel débil de fuerza muscular de miembro inferior [Md = 13 (Q1 = 11; Q3 = 16)]. Fue verificada correlación significativa (p = 0,001) y moderada (r = 0,68) entre la fuerza muscular de miembros inferiores y la funcionalidad de la rodilla. La correlación moderada entre la fuerza muscular de miembros inferiores y la funcionalidad de la rodilla de las ancianas sugiere una asociación importante entre esas variables.
This study aimed at investigating the impact of the quality of life perception on the self-esteem of physically active adults. A total of 63 male and female swimming practitioners (38.13 ± 11.72) were evaluated. A socio-demographic questionnaire, WHOQOL-Bref Scale, and the Rosenberg Self-Esteem Scale were used as tools. For data analysis the descriptive statistics, Kolmogorov-Smirnov Test, Mann-Whitney U Test, Spearman’s Rank Correlation Coefficient, and the Univariate Multiple Regression were used. No significant differences were found either for the quality of life or the self-esteem between sexes; there was a significant positive correlation (p < 0.05) among the physical (r = 0.37), psychological (r = 0.36) and environmental (r = 0.30) domains with self-esteem. The regression model explained 20% of the self-esteem variability, with moderate and significant pathways of the physical (β = 0.23) and psychological (β = 0.23) domains, whereas the environmental domain did not show a significant predictive relation (p = 0.988) with self-esteem. It is concluded that a higher quality of life perception may result in a higher self-esteem for physically active adults.
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