作者
Robert G Lockie, Adrian B Schultz, Samuel J Callaghan, Matthew D Jeffriess, Tawni M Luczo
发表日期
2014/6/1
期刊
Journal of Australian Strength & Conditioning
卷号
22
期号
2
简介
Multidirectional speed has been linked to vertical, horizontal, and reactive power, while minimal links have been established with lateral power. This study investigated leg power relationships with multidirectional speed using Pearson’s correlations (p< 0.05). Sixteen male field sport athletes (age= 23.31±5.34 years; height= 1.78±0.07 metres [m]; mass= 80.6±9.9 kilograms) completed countermovement jumps (CMJ; vertical); standing broad jumps (SBJ; horizontal); left and right leg lateral jumps (LLJ and RLJ; lateral); and 40-centimetre drop jumps (flight and contact time ratio (FT∙ CT-1); jump height and contact time ratio [reactive strength index; RSI]; reactive), to measure leg power. 40-m sprint (0-10, 0-20, 0-40 m intervals), T-test, and Change-of-Direction and Acceleration Test (CODAT) performance assessed speed. Stepwise multiple regressions (p< 0.05) were conducted for each speed test to determine leg power predictors. Greater leg power was associated with faster speed. CMJ correlated with all speed tests (r=-0.566--0.721), and predicted 0-10 m time (r2= 0.520). SBJ correlated with the 0-40 m interval, T-test, and CODAT (r=-0.543--0.608), and predicted the T-test (r2= 0.370). FT∙ CT-1 and RSI related to all speed tests (r=-0.506--0.709). RSI predicted 0-20 m time (r2= 0.370). FT∙ CT-1 predicted CODAT time (r2= 0.441). LLJ and RLJ correlated with 0-40 m and CODAT time (r=-0.538--0.664). LLJ predicted 0-40 m time (r2= 0.403). This study reaffirmed the importance of vertical, horizontal, and reactive power for multidirectional speed. Lateral power will contribute, but further understanding is required of this capacity. Field sport athletes must …
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RG Lockie, AB Schultz, SJ Callaghan, MD Jeffriess… - Journal of Australian Strength & Conditioning, 2014