The influence of flexibility on maximum strength performance in the overhead squat movement in crossfit™ practitioners
- International Physical Medicine & Rehabilitation Journal
<font face="Arial, Verdana"><span style="font-size: 13.3333px;">Mariana Policarpo da Silva, Ricardo Pedrozo Saldanha, Adriana Marques Toigo</span></font>
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The objective of the present study was to evaluate the influence of ankle, hip and shoulder flexibility on relative maximum strength performance, through the one repetition maximum (1RM) test, in the overhead squat movement (OHS) in CrossFit ™ practitioners. 52 individuals of both sexes who practiced CrossFit ™ were investigated in two boxes based in the cities of Canoas and Gravataí, Rio Grande do Sul, Brazil. The results showed that general flexibility presents a positive, weak and non-significant correlation with the relative strength of OHS (ρ=0.0152; p=0.9159). Stratifying by joint and sex, for women, a weak, positive and non-significant correlation was found between relative OHS strength for the ankle joint (ρ=0.1556; p=0.4477) and weak, negative and non-significant correlations for the hip and shoulder joints (ρ=-0.0256, -0.0369; p=0.9008, 0.8579) respectively. For men, weak, positive and non-significant correlations were found in the ankle, hip and shoulder joints (ρ=0.0395, 0.3012, 0.2523; p=0.8480; 0.1348; 0.2136), respectively. Despite showing slightly greater positive associations for male individuals, linearity cannot be asserted between the variables analyzed.
flexibility, overhead squat, crossfit ™; strength