期刊
JOURNAL OF SPORTS SCIENCES
卷 33, 期 20, 页码 2182-2191出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/02640414.2015.1081394
关键词
football; exercise training; sprinting speed; transfer effect; team sports; periodization
The aim of this study was to investigate the effects of adding vertical/horizontal plyometrics to the soccer training routine on jumping and sprinting performance in U-20 soccer players. The vertical jumping group (VJG) performed countermovement jumps (CMJ), while the horizontal jumping group (HJG) executed horizontal jumps (HJ). Training interventions comprised 11 sessions, with volume varying between 32 and 60 jumps per session. The analysis of covariance revealed that CMJ height and peak force improved only in the VJG, and that HJ distance and peak force improved in both groups. Velocity in 20m (VEL 20m) did not improve in either group; however, velocity in 10m (VEL 10m) presented a moderate positive effect size (ES=0.66) in the HJG, while the ES was large (1.63) for improvement in the 10-20m acceleration in the VJG, and it was largely negative (-1.09) in the HJG. The transference effect coefficients (calculated by the equation: TEC=result gain (ES)in untrainedexercise/result gain (ES) in trained exercise) between CMJ and VEL 20m and ACC 10-20m were 1.31 and 2.75, respectively. The TEC between HJ and VEL 10m, VEL 20m and ACC 0-10m were 0.44, 0.17 and 0.44, respectively. The results presented herein indicate that the plyometric training-axis is decisive in determining neuromechanical training responses in high-level soccer players.
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