Altered trunk muscle recruitment in people with low back pain with upper limb movement at different speeds

Hodges, PW and Richardson, CA (1999) Altered trunk muscle recruitment in people with low back pain with upper limb movement at different speeds. Archives of Physical Medicine and Rehabilitation, 80 9: 1005-1012.


Author Hodges, PW
Richardson, CA
Title Altered trunk muscle recruitment in people with low back pain with upper limb movement at different speeds
Journal name Archives of Physical Medicine and Rehabilitation   Check publisher's open access policy
ISSN 0003-9993
Publication date 1999
Sub-type Article (original research)
DOI 10.1016/S0003-9993(99)90052-7
Volume 80
Issue 9
Start page 1005
End page 1012
Total pages 8
Place of publication Philadelphia, PA
Publisher W.B. Saunders
Collection year 1999
Language eng
Subject C1
730114 Skeletal system and disorders (incl. arthritis)
321017 Orthopaedics
Abstract Objective: To compare trunk muscle coordination in people with and without low back pain with varying speeds of limb movement. Study Design: Abdominal and back extensor muscle activity in association with upper limb movement was compared among three speeds of movement and between people with and without low back pain. Participants: Fourteen subjects with a history of recurrent low back pain and a group of age- and sex-matched control subjects. Measures: The onsets of electromyographic activity of the trunk and limb muscles, frequency of trunk muscle responses, and angular velocity of arm movements. Results: Early activation of transversus abdominis (TrA) and obliquus internus abdominis (OI) occurred in the majority of trials, with movement at both the fast and intermediate speeds for the control group. In contrast, subjects with low back pain failed to recruit TrA or OI in advance of limb movement with fast movement, and no activity of the abdominal muscles was recorded in the majority of intermediate speed trials. There was no difference between groups for slow movement. Conclusion: The results indicate that the mechanism of preparatory spinal control is altered in people with lower back pain for movement at a variety of speeds. (C) 1999 by the American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation.
Keyword Rehabilitation
Sport Sciences
Voluntary Arm Movements
Anticipatory Postural Adjustments
Transversus-abdominis
Lumbar Spine
Dysfunction
Contraction
Flexion
Electromyography
Organization
Pressure
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Health and Rehabilitation Sciences Publications
 
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