Document Detail


Abdominal muscle contraction thickness and function after specific and general exercises: a randomized controlled trial in chronic low back pain patients.
MedLine Citation:
PMID:  20621545     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The aim of this study was to assess changes in deep abdominal muscle function after 8 weeks of exercise in chronic low back pain patients. Patients (n = 109) were randomized to specific ultrasound guided, sling or general exercises. Contraction thickness ratio in transversus abdominis (TrA), obliquus internus (OI) and externus (OE), and TrA lateral slide were assessed during the abdominal drawing-in maneuver by b-mode ultrasound. Changes in abdominal muscle function were also regressed on changes in pain. Only modest effects in deep abdominal muscle function were observed, mainly due to reduced activation of OI (contraction thickness ratio: 1.42-1.22, p = 0.01) and reduced TrA lateral slide (1.26-1.01 cm, p = 0.02) in the ultrasound group on the left side. Reduced pain was associated with increased TrA and reduced OI contraction ratio (R(2) = 0.18). It is concluded that 6-8 treatments with specific or general exercises for chronic low back patients attained only marginal changes in contraction thickness and slide in deep abdominal muscles, and could only to a limited extent account for reductions in pain.
Authors:
Ottar Vasseljen; Anne Margrethe Fladmark
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Manual therapy     Volume:  15     ISSN:  1532-2769     ISO Abbreviation:  Man Ther     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-08-16     Completed Date:  2010-12-08     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9610924     Medline TA:  Man Ther     Country:  Scotland    
Other Details:
Languages:  eng     Pagination:  482-9     Citation Subset:  IM    
Copyright Information:
Copyright 2010 Elsevier Ltd. All rights reserved.
Affiliation:
Department of Public Health and General Practice, Faculty of Medicine, Norwegian University of Science and Technology (NTNU), Medisinsk teknisk forskningssenter, 7489 Trondheim, Norway. ottar.vasseljen@ntnu.no
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MeSH Terms
Descriptor/Qualifier:
Abdominal Muscles / physiology*
Adult
Analysis of Variance
Chronic Disease
Exercise Therapy / methods*
Female
Humans
Intervention Studies
Low Back Pain / physiopathology*,  rehabilitation*
Male
Muscle Contraction / physiology*
Pain Measurement
Treatment Outcome
Ultrasonography, Interventional

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


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