Document Detail

Electromyographic analysis of hip abductor exercises performed by a sample of total hip arthroplasty patients.
MedLine Citation:
PMID:  18757169     Owner:  NLM     Status:  MEDLINE    
Weakness of the hip abductors after total hip arthroplasty may result in pain and/or functional limitation. Non-weight-bearing (NWB) exercises are often performed to target the hip abductors; however, muscle activation of NWB exercises has not been compared to weight-bearing (WB) exercises. Our purpose was to evaluate gluteus medius activation during 2 WB and 2 NWB hip abductor strengthening exercises. Fifteen patients at least 6 weeks post unilateral total hip arthroplasty volunteered for the study. Electromyographic amplitude for each exercise was normalized to each patient's maximal voluntary isometric contraction. There were no significant differences in gluteus medius electromyographic amplitudes between the 4 exercises (P = .15). Based on our results, NWB exercises provided no clear benefit in terms of gluteus medius activation when compared to potentially more functional WB exercises in the early postoperative period.
Cale A Jacobs; Matt Lewis; Lori A Bolgla; Christian P Christensen; Arthur J Nitz; Timothy L Uhl
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Publication Detail:
Type:  Comparative Study; Journal Article     Date:  2008-08-30
Journal Detail:
Title:  The Journal of arthroplasty     Volume:  24     ISSN:  1532-8406     ISO Abbreviation:  J Arthroplasty     Publication Date:  2009 Oct 
Date Detail:
Created Date:  2009-09-28     Completed Date:  2010-01-25     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8703515     Medline TA:  J Arthroplasty     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1130-6     Citation Subset:  IM    
Department of Orthopedics, Lexington Clinic, Lexington, Kentucky, USA.
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MeSH Terms
Arthroplasty, Replacement, Hip*
Exercise / physiology*
Hip Joint / physiology*
Isometric Contraction / physiology*
Middle Aged
Muscle, Skeletal / physiology*
Osteoarthritis, Hip / surgery
Postoperative Period
Resistance Training
Weight-Bearing / physiology

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

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