| Transversus Abdominis Activation During a Side Bridge Exercise Progression is Similar in People with Recurrent Low Back Pain and Healthy Controls. | |
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MedLine Citation:
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PMID: 22207256 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Low Back Pain (LBP) affects 70-80% of the population. The transversus abdominis (TrA) has been implicated as part of the cause of LBP. Prevention and rehabilitation of LBP often target the TrA using exercises such as the side bridge accompanied with the abdominal drawing-in maneuver (ADIM). However, it is unknown whether individuals with recurrent LBP, when they are in a period of no pain, are able to activate the TrA as well as healthy individuals during this exercise. The purpose of our study was to compare the activation ratio of the TrA during a 5 level side bridge exercise progression. Twenty-three subjects with a history of recurrent, non-specific LBP, but not experiencing an exacerbation of symptoms and 24 healthy controls volunteered. All subjects performed the ADIM and side bridge exercises with clinician feedback (verbal cueing). Each participant performed the side bridge exercise progression while ultrasound images were taken. Subjects were only progressed if they successfully completed the previous level. The thickness of the TrA was measured in rested and contracted states at each exercise level to find the activation ratio (TrA contracted/TrA rest). Separate analyses of covariance did not reveal a difference in activation ratios between groups (p>.40) when the ratio at the lowest level was used as the covariate. The results from this study indicate that both groups were able to contract the TrA with verbal cueing during a side bridge exercise progression. Since the TrA contracted similarly during exercise in both groups, the association of LBP with the TrA may be due to another mechanism, such as delayed activation in the feed-forward mechanism during activity or a lack of endurance of the TrA. |
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Authors:
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Megan E Himes; Noelle M Selkow; Meghan Gore; Joseph M Hart; Susan A Saliba |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-12-28 |
Journal Detail:
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Title: Journal of strength and conditioning research / National Strength & Conditioning Association Volume: - ISSN: 1533-4287 ISO Abbreviation: - Publication Date: 2011 Dec |
Date Detail:
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Created Date: 2011-12-30 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9415084 Medline TA: J Strength Cond Res Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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1Department of Human Services, University of Virginia; 2School of Kinesiology and Recreation, Illinois State University, Campus Box 5120, Normal, IL 61761, 309-438-1875 (o), 309-438-5559 (fax). nselkow@ilstu.edu; 3Department of Orthopedic Surgery, University of Virginia. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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