Effects of Plyometric Training on Surface Electromyographic Activity and Performance during Blocking Jumps in College Division I Men's Volleyball Athletes

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题名:	Effects of Plyometric Training on Surface Electromyographic Activity and Performance during Blocking Jumps in College Division I Men's Volleyball Athletes
作者:	Wang, MH (Wang, Min-Hsien) Chen, KC (Chen, Ke-Chou) Hung, MH (Hung, Min-Hao) Chang, CY (Chang, Chi-Yao) Ho, CS (Ho, Chin-Shan) Chang, CH (Chang, Chun-Hao) Lin, KC (Lin, Kuo-Chuan)
贡献者:	體育系
关键词:	muscular activity blocking agility maximum vertical jump height median frequency
日期:	2020-07
上传时间:	2020-10-30 15:23:14 (UTC+8)
摘要:	In volleyball matches, there are three minute intervals between sets. Therefore, the improvement of the muscle output ratio is one of the most import foundational physical elements for the players. The purpose of this study was to investigate the effects of plyometric training on the changes in electrical signals in the lower limb muscles of male college volleyball players during continuous blocking and to examine the benefits of plyometric training on blocking agility and maximum vertical jump height. In this study, twenty elite male college volleyball players were recruited and divided into a plyometric training group (PTG) and a control group (CG). The wireless electromyography was used for data acquisition, and the electrodes were applied to the left and right rectus femoris, biceps femoris, tibialis anterior, and gastrocnemius. The median frequency was used as the measurement of the electromyographic signals during the jumping blocks. This study used covariate analysis methods, with previously measured results used as covariates to perform a two-way analysis of covariance for the independent samples. Based on the results of this study, after 6 weeks of training, the median frequency of the rectus femoris (2.13% to 4.75% improved) and that of the tibialis anterior muscles (4.14% to 7.71% improved) were significantly lower in the PTG than in the CG. Additionally, the blocking agility increased by 6.26% and the maximum vertical jump height increased by 3.33% in the PTG compared to the CG. The findings provide important insights on the neuromuscular status for volleyball players during continuous blocking jumps. Six weeks of appropriate plyometric training can facilitate the performance of volleyball players.
關聯:	APPLIED SCIENCES-BASEL 卷冊: 10 期: 13 文獻號碼: 4535
显示于类别:	[體育學系] 期刊論文

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