Document Detail


Changes in upper body power following heavy-resistance strength training in college men.
MedLine Citation:
PMID:  9414074     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The purpose of this study was to determine the effects of heavy-resistance strength training on measures of bench press power (BPP) using absolute loads and seated shot put (SSP) performance. Twenty-four college men were measured for 1-RM bench press, BPP, and SSP before and after weight training twice weekly for 12 weeks. BPP was measured with free weights using a digital timing system and randomly assigned loads equivalent to 30%, 40%, 50%, 60%, 70% and 80% of the 1-RM. Post-training tests used the same absolute loads as during the pre-training test to assess BPP. Following training BPP increased significantly at each load, shifting the power curve upward by an average of 13.6%. The 1-RM bench press increased significantly by 9.1%, but the SSP increased nonsignificantly by only 1.8%. Peak power was produced at approximately 40-50% of the 1-RM before and after training. Changes in SSP distance were nonsignificantly correlated (r=0.27-0.20) with the increases in BPP. Resistance training shifts the power curve in a positive direction when the measurements are determined with absolute loads, but the increased power may not be transferred to an absolute performance task like the SSP.
Authors:
J L Mayhew; J S Ware; R A Johns; M G Bemben
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Publication Detail:
Type:  Clinical Trial; Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  International journal of sports medicine     Volume:  18     ISSN:  0172-4622     ISO Abbreviation:  Int J Sports Med     Publication Date:  1997 Oct 
Date Detail:
Created Date:  1998-01-13     Completed Date:  1998-01-13     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8008349     Medline TA:  Int J Sports Med     Country:  GERMANY    
Other Details:
Languages:  eng     Pagination:  516-20     Citation Subset:  IM    
Affiliation:
Human Performance Laboratory, Truman State University, Kirksville, Missouri 63501, USA.
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MeSH Terms
Descriptor/Qualifier:
Adult
Analysis of Variance
Arm / physiology*
Back / physiology
Ergometry
Follow-Up Studies
Hip / physiology
Humans
Leg / physiology
Male
Motor Skills / physiology
Muscle Contraction / physiology*
Muscle, Skeletal / physiology*
Pectoralis Muscles / physiology
Shoulder / physiology*
Thorax / physiology
Weight Lifting / education,  physiology*

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


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