RESUMO
The identification of social network factors associated with gait speed may offer different perspectives for improving community and clinical interventions for older adults. The objective of this study was to explore the associations of the social network of friends with gait speed. This was a cross-sectional study conducted in a sample of 128 older adult women recruited in community groups of physical activity. Clinical screening, social network questions, body composition evaluation, and gait speed test were applied to the participants. Logistic regression models were used to analyze associations between characteristics of the social network of friends and high gait speed. Findings indicated that social isolation was not associated with high gait speed and that popularity and proportion of friends with high gait speed were significantly associated with high gait speed. Findings suggested that there was a relationship between social network factors and the ability to perform high gait speed.
Assuntos
Marcha , Velocidade de Caminhada , Idoso , Estudos Transversais , Exercício Físico , Feminino , Humanos , Rede SocialRESUMO
Introducción. La osteoporosis está caracterizada por pérdida de masa ósea y deterioro de la microarquitectura del tejido óseo que genera fragilidad relacionada con el riesgo de fracturas. El objetivo es analizar los efectos de un programa de entrenamiento basado en movimientos explosivos y de impacto aplicados en piscina sobre la composición corporal, la fuerza explosiva y la densidad mineral ósea de mujeres mayores de 60 años de edad. Material y métodos. Treinta y cinco mujeres saludables físicamente activas (60 ± 4,19 años) fueron divididas en un grupo de entrenamiento en piscina con uso de multisaltos (JG) y un grupo control (CG). JG entrenó durante 24 semanas, 3 veces por semana, una hora y media por sesión. Pruebas de composición corporal, fuerza explosiva y densidad mineral ósea fueron aplicadas antes y después del programa. Resultados. Hubo diferencias en la fuerza explosiva (JG vs. CG = p < 0,05-0,001) y la potencia estimada (JG vs. CG = p < 0,05-0,002) entre JG vs. CG, con incrementos significativos en JG. No hubo diferencias significativas en el porcentaje de masa grasa y magra, densidad mineral ósea lumbar y femoral entre los grupos, aunque pudo observarse ligeros incrementos significativos densidad mineral ósea lumbar y femoral en JG después de la aplicación del programa (JG pretest vs. JG postest = p < 0,05). Conclusiones. El programa de entrenamiento con movimientos de impacto y explosivos aplicados en piscina induce ganancias en la expresión de fuerza y potencia muscular con ligeras adaptaciones en la densidad mineral ósea en mujeres mayores de 60 años (AU)
Background. Osteoporosis is characterised by loss of bone mass and deterioration of bone tissue microarchitecture that leads to fragility related to the risk of fractures. The aim of the study is to analyse the effects of a training program based on explosive movements and impact, assessed in a swimming pool, on body composition, explosive strength and bone mineral density in women over 60 years old. Material and methods. A total of 35 healthy physically active women (60 ± 4.19 years) were divided into a training pool group using multi jumps (JG) and a control group (CG). JG trained for 24 weeks, 3 times a week, an hour and a half per session. Body composition testing, explosive strength, and bone mineral density were assessed before and after the program. Results. There were differences in the explosive force (JG vs CG = P < .05 to .001) and the estimated power (JG vs CG = P < .05 to .002) between JG vs CG, with significant increases in JG. There were no significant differences in the percentage of fat and lean mass, bone mineral density lumbar and femoral between groups, although slightly significant increases in bone mineral density lumbar and femoral could be seen in JG after program implementation (JG pre-test vs JG post- test = P < .05). Conclusions. The training program with impact and explosive movements assessed in a pool induces gains in muscle strength and power with slight adaptations in body mass index in women over 60 years (AU)
Assuntos
Humanos , Feminino , Pessoa de Meia-Idade , Idoso , Idoso de 80 Anos ou mais , Composição Corporal/fisiologia , Densidade Óssea/fisiologia , Movimento/fisiologia , Técnicas de Exercício e de Movimento/métodos , Técnicas de Exercício e de Movimento/tendências , Força Muscular/fisiologia , Natação/fisiologia , Piscinas , Fraturas Ósseas/prevenção & controle , Declaração de Helsinki , Atividade Motora/fisiologia , Pós-Menopausa/fisiologiaRESUMO
BACKGROUND: Osteoporosis is characterised by loss of bone mass and deterioration of bone tissue microarchitecture that leads to fragility related to the risk of fractures. The aim of the study is to analyse the effects of a training program based on explosive movements and impact, assessed in a swimming pool, on body composition, explosive strength and bone mineral density in women over 60 years old. MATERIAL AND METHODS: A total of 35 healthy physically active women (60±4.19 years) were divided into a training pool group using multi jumps (JG) and a control group (CG). JG trained for 24 weeks, 3 times a week, an hour and a half per session. Body composition testing, explosive strength, and bone mineral density were assessed before and after the program. RESULTS: There were differences in the explosive force (JG vs CG=P<.05 to .001) and the estimated power (JG vs CG=P<.05 to .002) between JG vs CG, with significant increases in JG. There were no significant differences in the percentage of fat and lean mass, bone mineral density lumbar and femoral between groups, although slightly significant increases in bone mineral density lumbar and femoral could be seen in JG after program implementation (JG pre-test vs JG post- test=P<.05). CONCLUSIONS: The training program with impact and explosive movements assessed in a pool induces gains in muscle strength and power with slight adaptations in body mass index in women over 60 years.
