| Analysis of trunk muscle activity in the side medicine-ball throw. | |
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MedLine Citation:
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PMID: 19826303 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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The purpose of this study was to compare the electromyogram (EMG) activity of the trunk musculature for long throwers and short throwers during the side medicine-ball throw. The study consisted of 2 sessions. Thirty athletes performed the side medicine-ball throw (S-MBT) in the first session. The top 5 subjects (long throwers) and the worst 5 subjects (short throwers) in the performance of the S-MBT proceeded to the second session. These subjects performed the fast side medicine-ball throw (FS-MBT) and the isometric maximal trunk rotation torque (IMTRT) test after applying surface electrodes bilaterally to the following muscles: pectoralis major, rectus abdominis, external oblique, and latissimus dorsi. The value of IMTRT in the left turn in long throwers was significantly greater (p < 0.05) than that recorded for short throwers, whereas no difference was observed in the right turn. The velocities of the medicine ball using 2-kg, 4-kg, and 6-kg medicine balls were significantly different (p < 0.01-0.001) between long throwers and short throwers The examination of EMG activity in each muscle group for long throwers and short throwers revealed that the major difference between the 2 groups is EMG activity of the left external oblique. These results suggest that the EMG activity of the external oblique on either side is an important factor for FS-MBT. |
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Authors:
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Yusuke Ikeda; Kazutaka Miyatsuji; Koichi Kawabata; Takafumi Fuchimoto; Akira Ito |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of strength and conditioning research / National Strength & Conditioning Association Volume: 23 ISSN: 1533-4287 ISO Abbreviation: J Strength Cond Res Publication Date: 2009 Nov |
Date Detail:
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Created Date: 2009-11-10 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9415084 Medline TA: J Strength Cond Res Country: United States |
Other Details:
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Languages: eng Pagination: 2231-40 Citation Subset: IM |
Affiliation:
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Department of Sports Sciences, Japan Institute of Sports Sciences, Tokyo, Japan. Ikeda, ikeda.yusuke.trsc@gmail.com |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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