Document Detail

Quadriceps strength training using two forms of bilateral exercise.
MedLine Citation:
PMID:  2802959     Owner:  NLM     Status:  MEDLINE    
The purpose of this study was to determine the effectiveness of quadriceps strength training in 15 women using bilateral constant resistance computerized exercise equipment that enabled only concentric contractions. To facilitate this investigation, data from an experimental control group (n = 14), using bilateral variable resistance exercise equipment which enables both concentric and eccentric muscle contractions, and a nonexercise control group (n = 17) were incorporated into the study design. Through a random selection process, subjects were assigned to one of three groups that participated in this 10-week study. Analysis, including univariate and multivariate statistical techniques, revealed no significant changes in strength between the two experimental groups. However, compared with the nonexercise group, there were significant increases in strength in the experimental exercise groups; yet, these increases were significant in both groups only on the right legs. In addition, the development of transient knee pain in two subjects engaged in both concentric and eccentric exercise training required their removal from the study. This finding, in concert with previous experimental evidence of an association between eccentric exercise and the development of transient pain, must be integrated into future studies. Results suggest that further investigation is necessary to reveal the neurologic or biomechanical factors which may result in unequal training stimuli to the limbs with bilateral strength training on various types of equipment.
S G Gerberich; D Erickson; R Serfass; B Beard; E Poulson; S Ross; P Wasser-Scott; T Dauwalter; C Olson; S Lewis
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Publication Detail:
Type:  Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Archives of physical medicine and rehabilitation     Volume:  70     ISSN:  0003-9993     ISO Abbreviation:  Arch Phys Med Rehabil     Publication Date:  1989 Oct 
Date Detail:
Created Date:  1989-11-06     Completed Date:  1989-11-06     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  2985158R     Medline TA:  Arch Phys Med Rehabil     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  775-9     Citation Subset:  AIM; IM    
School of Public Health, University of Minnesota, Minneapolis.
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MeSH Terms
Physical Education and Training / methods*

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

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