Document Detail


Contributing factors to performance of a medicine ball explosive power test: a comparison between jump and nonjump athletes.
MedLine Citation:
PMID:  14636108     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The present study examined the factors contributing to performance of a backward overhead medicine ball throw (B-MBT) across 2 types of athletes. Twenty male volleyball players (jump athletes) and 20 wrestlers (nonjump athletes) were evaluated on 4 measures of power, including B-MBT, chest medicine ball throw (C-MBT), countermovement vertical jump (CMJ), and power index (PI). The athletes also completed 3 measures of strength: a 1-repetition-maximum (1RM) bench press (BP), a 1RM leg press (LP), and combined BP + LP strength. Jump athletes demonstrated greater absolute scores for CMJ, C-MBT, and B-MBT (p < 0.05), whereas nonjump athletes demonstrated greater strength scores for BP and for BP + LP (p < 0.05). When performances were examined on a relative basis, jump athletes achieved superior scores for C-MBT (p < 0.05), whereas nonjump athletes had greater scores for BP, LP, and BP + LP (p < 0.05). For both groups, B-MBT had strong correlations with PI (r = 0.817 [jump] and 0.917 [nonjump]), whereas for C-MBT, only nonjump athletes demonstrated a strong correlation (r = 0.842). When expressed in relative terms, B-MBT was strongly correlated with C-MBT (r = 0.762 [jump] and 0.835 [nonjump]) and CMJ (r = 0.899 [jump] and 0.945 [nonjump]). Only nonjump athletes demonstrated strong correlations with strength for absolute LP (r = 0.801) and BP + LP (r = 0.810) strength. The interaction of upper- and lower-body strength and power in the performance of a B-MBT appears complex, with the contributing factors differing for athletes with divergent skill sets and performance demands.
Authors:
Barry A Stockbrugger; Robert G Haennel
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Journal of strength and conditioning research / National Strength & Conditioning Association     Volume:  17     ISSN:  1064-8011     ISO Abbreviation:  J Strength Cond Res     Publication Date:  2003 Nov 
Date Detail:
Created Date:  2003-11-25     Completed Date:  2004-03-19     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9415084     Medline TA:  J Strength Cond Res     Country:  United States    
Other Details:
Languages:  eng     Pagination:  768-74     Citation Subset:  IM    
Affiliation:
Faculty of Kinesiology and Health Studies, University of Regina, Regina, Saskatchewan, Canada.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Analysis of Variance
Humans
Male
Movement / physiology*
Physical Education and Training*
Sports / physiology*
Wrestling / physiology

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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