Effect of an acute bout of plyometric exercise on neuromuscular fatigue and recovery in recreational athletes

Drinkwater, Eric J., Lane, Tyson and Cannon, Jack 2009, Effect of an acute bout of plyometric exercise on neuromuscular fatigue and recovery in recreational athletes, Journal of strength and conditioning research, vol. 23, no. 4, pp. 1181-1186, doi: 10.1519/JSC.0b013e31819b79aa.

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Title Effect of an acute bout of plyometric exercise on neuromuscular fatigue and recovery in recreational athletes
Author(s) Drinkwater, Eric J.ORCID iD for Drinkwater, Eric J. orcid.org/0000-0002-9594-9360
Lane, Tyson
Cannon, Jack
Journal name Journal of strength and conditioning research
Volume number 23
Issue number 4
Start page 1181
End page 1186
Total pages 6
Publisher Lippincott William & Wilkins
Place of publication Philadephia, Pa.
Publication date 2009-07
ISSN 1533-4287
Keyword(s) strenth-shortening cycle
interpolated twitch technique
muscle activation
Summary Although plyometric training is widely used by sports coaches as a method of improving explosive power in athletes, many prescribe volumes in excess of the National Strength and Conditioning Association recommendations. The purpose of this study was to assess voluntary and evoked muscle characteristics to assess the neuromuscular impact of a high-volume bout of plyometric exercise that was non-exhaustive. Ten athletes who did not have plyometric training experience and were in their competitive season for club-level sport volunteered for the study. After at least 2 days without high-intensity activity, subjects were assessed on maximal twitch torque, time to peak torque, rate of twitch torque development, twitch half-relaxation time, rate of twitch relaxation, and voluntary activation by the interpolated twitch technique before, immediately after, and 2 hours after a high-volume plyometric training program (212 ground contacts). Data were analyzed by repeated-measures analysis of variance and described as mean +/- SD and Cohen d. Statistically significant decrements appeared immediately after the training protocol in the total torque generated by maximal voluntary contractions (p < 0.05, d = -0.51) and twitch (p < 0.01, d = -0.92), rate of twitch torque development (p < 0.01, d = -0.77), and rate of relaxation (p < 0.01, d = -0.73). However, we did not observe any differences that remained statistically different after 2 hours. There were no significant differences observed at any time point in time to peak twitch, half-relaxation time, or voluntary activation. We conclude that high-volume plyometric training results primarily in peripheral fatigue that substantially impairs force and rate of force development. We recommend that coaches carefully monitor the volume of plyometric training sessions to avoid neuromuscular impairments that can result in suboptimal training.
Language eng
DOI 10.1519/JSC.0b013e31819b79aa
Field of Research 1106 Human Movement And Sports Science
Socio Economic Objective 929999 Health not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2009, National Strength and Conditioning Association
Persistent URL http://hdl.handle.net/10536/DRO/DU:30083067

Document type: Journal Article
Collection: School of Exercise and Nutrition Sciences
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