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The Effect of Two Plyometric Training Techniques on Muscular Power and Agility in Youth Soccer Players

Thomas, Kevin1; French, Duncan2; Hayes, Philip R1

Journal of Strength & Conditioning Research: January 2009 - Volume 23 - Issue 1 - pp 332-335
doi: 10.1519/JSC.0b013e318183a01a
Research Note

Thomas, K, French, D, and Hayes, PR. The effect of two plyometric training techniques on muscular power and agility in youth soccer players. J Strength Cond Res 23(1): 332-335, 2009-The aim of this study was to compare the effects of two plyometric training techniques on power and agility in youth soccer players. Twelve males from a semiprofessional football club's academy (age = 17.3 ± 0.4 years, stature = 177.9 ± 5.1 cm, mass = 68.7 ± 5.6 kg) were randomly assigned to 6 weeks of depth jump (DJ) or countermovement jump (CMJ) training twice weekly. Participants in the DJ group performed drop jumps with instructions to minimize ground-contact time while maximizing height. Participants in the CMJ group performed jumps from a standing start position with instructions to gain maximum jump height. Posttraining, both groups experienced improvements in vertical jump height (p < 0.05) and agility time (p < 0.05) and no change in sprint performance (p > 0.05). There were no differences between the treatment groups (p > 0.05). The study concludes that both DJ and CMJ plyometrics are worthwhile training activities for improving power and agility in youth soccer players.

1Division of Sport Sciences, Northumbria University, Newcastle-upon-Tyne, United Kingdom; and 2English Institute of Sport, Gateshead, United Kingdom

Address correspondence to Kevin Thomas, kevin2.thomas@northumbria.ac.uk.

© 2009 National Strength and Conditioning Association