科研之友
微信
新浪微博
Facebook
分享链接
摘要
Aim. The aim of this study was to investigate the hierarchical contributions of anthropometry, strength and cognition to a battery of prescriptive and reactive agility tests.
Methods. Nineteen participants (mean +/- S.D.; age:22.1 +/- 1.9 years; height: 182.9 +/- 5.5 cm; body mass: 77 +/- 4.9 kg) completed four agility tests: a prescriptive linear sprint, a prescriptive change-of-direction sprint, a reactive change-of-direction sprint, and a reactive linear deceleration test. Anthropometric variables included body fat percentage and thigh girth. Strength was quantified as the peak eccentric hamstring torque at 180, 300, and 60 degrees.s(-1). Mean reaction time and accuracy in the Stroop word-colour Test was used to assess perceptual and decision making factors.
Results. There was little evidence of intertest correlation with the strongest relationship observed between 10 m sprint and t-test performance (r(2)=0.49, P<0.01). Anthropometric measures were not strong predictors of agility, accounting for a maximum 23% (P=0.12) in the prescriptive change-of-direction test. Cognitive measures had a stronger correlation with the reactive (rather than prescriptive) agility tests, with a maximum 33% (P=0.04) of variance accounted for in the reactive change-of-direction test. Eccentric hamstring strength accounted for 62% (P=0.01) of the variance in the prescriptive change-of-direction test. Hierarchical ordering of the agility tests revealed that eccentric hamstring strength was the primary predictor in 3 of the 4 tests, with cognitive accuracy the next most common predictor.
Conclusion. There is little evidence of inter-test correlation across a battery of agility tests. Eccentric hamstring strength and decision making accuracy are the most common predictors of agility performance.
- 出版日期2015-11
