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El envejecimiento conlleva una serie de cambios fisiológicos que afectan la composición corporal, la calidad muscular y el control postural, factores estrechamente vinculados con el riesgo de caídas y deterioro funcional. La masa magra segmentaria, el índice de masa corporal (IMC) y el ángulo de fase (PhA) han demostrado ser predictores relevantes de estabilidad en adultos mayores. La literatura reciente sugiere que la obesidad y la baja calidad muscular se asocian con menor complejidad en el control postural, mientras que una mayor masa magra y PhA se relacionan con mejor equilibrio y menor riesgo de caídas. Investigar la relación entre la composición corporal y la antropometría con el equilibrio postural dinámico en adultas mayores de zonas rurales del Ecuador, evaluadas mediante la Escala de Tinetti. Estudio observacional analítico de corte transversal. Se incluirán adultos mayores ≥65 años, divididos por categorías de IMC. Se aplicará bioimpedancia multifrecuencia (BIA) para estimar masa magra segmentaria y PhA. La calidad muscular se calculará como fuerza relativa a masa magra mediante dinamometría. Se espera encontrar que mayor masa magra segmentaria y PhA elevado se asocian con mejor control postural, mientras que la obesidad se relaciona con menor estabilidad.
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