Influence of long-term water aerobics practice on handgrip strength in elderly women
Abstract
The aging process triggers annual loss in handgrip strength, which is considered a predictor of mobility in the elderly. This study aimed to analyze the influence of long-term hydrogymnastics practice on handgrip strength in elderly women. Forty-two elderly women who practiced only hydrogymnastics twice a week were divided into three groups according to the time they participated: G1 – 3 months; G2 – 1 year; and G3 – 2 years. Handgrip strength was assessed on both sides using a dynamometer. Data were treated as mean and deviation. One-way ANOVA was used for comparisons between groups and repeated-measures ANOVA for intragroups. The significance level adopted in all tests was p ≤ 0.05. No differences were found between groups (p = 0,923, right; p = 0,591, left). Groups G2 and G3 demonstrated a higher value on the dominant side, corroborating the literature (21,25 ± 3,15; 21,23 ± 3,85 kg). Grip strength for both sides, in all groups, was greater than that found in inactive elderly individuals. Therefore, the hypothesis that long-term practice of hydrogymnastics contributes to increased handgrip strength in elderly women was refuted. However, it can be said that hydrogymnastics for 3 months or more contributes to increased handgrip strength compared to inactive older individuals.
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