期刊
JOURNAL OF STRENGTH AND CONDITIONING RESEARCH
卷 24, 期 4, 页码 1013-1018出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1519/JSC.0b013e3181c7c60d
关键词
fitness testing; validity; straight leg raise
Lopez-Minarro, PA and Rodriguez-Garcia, PL. Hamstring muscle extensibility influences the criterion-related validity of sit-and-reach and toe-touch tests. J Strength Cond Res 24(4): 1013-1018, 2010-The aim of this study was to analyze the influence of hamstring muscle extensibility on the hamstring criterion-related validity of the sit-and-reach (SR) and toe-touch (TT) tests. Two hundred forty young adults (mean age: 22.9 +/- 3.6 years) participated in this study. Three trials of straight leg raise (SLR) (left and right), SR, and TT tests were performed in a random order. The subjects were dichotomized into group A (subjects with an SLR angle < 75 degrees) or group B (subjects with an SLR angle >= 75 degrees). The correlation values between SLR angle and SR and TT scores were calculated and compared between both groups. Group B elicited higher mean SR and TT scores than group A (p < 0.001). Group A showed low associations between SLR with respect to the SR (r = 0.31-0.41) and TT (r = 0.28-0.40) tests. Group B showed moderate values for both SR (r = 0.55) and TT (r = 0.60-0.61) tests. The hamstring criterion-related validity of the SR and TT tests is influenced by hamstring muscle extensibility. From the results of this investigation, we find that the SR and TT tests are not valid measures of hamstring extensibility for subjects with reduced hamstring muscle extensibility.
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