| Effect of twelve weeks of medicine ball training on high school baseball players. | |
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MedLine Citation:
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PMID: 17685676 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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This study examined the effect of 12 weeks of medicine ball training on high school baseball players. Forty-nine baseball players (age 15.4 +/- 1.2 years) were randomly assigned using a stratified sampling technique to 1 of 2 groups. Group 1 (n = 24) and group 2 (n = 25) performed the same full-body resistance exercises according to a stepwise periodized model and took 100 bat swings a day, 3 days per week, with their normal game bat for 12 weeks. Group 2 performed additional rotational and full-body medicine ball exercises 3 days per week for 12 weeks. Pre- and post-testing consisted of a 3 repetition maximum (RM) dominant and nondominant torso rotational strength and sequential hip-torso-arm rotational strength (medicine ball hitter's throw). A 3RM parallel squat and bench press were measured at 0 and after 4, 8, and 12 weeks of training. Although both groups made statistically significant increases (p < or = 0.05) in dominant (10.5 vs. 17.1%) and nondominant (10.2 vs. 18.3%) torso rotational strength and the medicine ball hitter's throw (3.0 vs. 10.6%), group 2 showed significantly greater increases in all 3 variables than group 1. Furthermore, both groups made significant increases in predicted 1RM parallel squat and bench press after 4, 8, and 12 weeks of training; however, there were no differences between groups. These data indicate that performing a 12-week medicine ball training program in addition to a stepwise periodized resistance training program with bat swings provided greater sport-specific training improvements in torso rotational and sequential hip-torso-arm rotational strength for high school baseball players. |
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Authors:
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David J Szymanski; Jessica M Szymanski; T Jason Bradford; Ryan L Schade; David D Pascoe |
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Publication Detail:
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Type: Journal Article; Randomized Controlled Trial |
Journal Detail:
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Title: Journal of strength and conditioning research / National Strength & Conditioning Association Volume: 21 ISSN: 1064-8011 ISO Abbreviation: J Strength Cond Res Publication Date: 2007 Aug |
Date Detail:
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Created Date: 2007-08-09 Completed Date: 2007-11-08 Revised Date: 2008-11-01 |
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: 894-901 Citation Subset: IM; S |
Affiliation:
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Department of Health and Exercise Science, Louisiana Tech University, Ruston, Louisiana 71272, USA. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Analysis of Variance Baseball / physiology* Humans Male Muscle Strength / physiology Physical Education and Training / methods* Rotation Sports Equipment* |
| Comments/Corrections | |
Erratum In:
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J Strength Cond Res. 2007 Nov;21(4):1002 |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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