Abdominal muscle recruitment during a range of voluntary exercises

Urquhart, Donna M., Hodges, Paul W., Allen, Trevor J. and Story, Ian H. (2005) Abdominal muscle recruitment during a range of voluntary exercises. Manual Therapy, 10 2: 144-153. doi:10.1016/j.math.2004.08.011

Author Urquhart, Donna M.
Hodges, Paul W.
Allen, Trevor J.
Story, Ian H.
Title Abdominal muscle recruitment during a range of voluntary exercises
Journal name Manual Therapy   Check publisher's open access policy
ISSN 1356-689X
Publication date 2005-05
Sub-type Article (original research)
DOI 10.1016/j.math.2004.08.011
Volume 10
Issue 2
Start page 144
End page 153
Total pages 10
Editor A. Moore
G. Jull
Place of publication Edinburgh
Publisher Churchill Livingstone
Collection year 2005
Language eng
Subject C1
321024 Rehabilitation and Therapy - Occupational and Physical
730303 Occupational, speech and physiotherapy
Abstract Various exercises are used to retrain the abdominal muscles in the management of low back pain and other musculoskeletal disorders. However. few studies have directly investigated the activity of all the abdominal muscles or the recruitment of regions of the abdominal muscles during these manoeuvres. This study examined the activity of different regions of transversus abdominis (TrA), obliquus internus (OI) and externus abdominis (OE), and rectus abdominis (RA), and movement of lumbar spine, pelvis and abdomen during inward movement of the lower abdominal wall, abdominal bracing, pelvic tilting, and inward movement of the lower and upper abdominal wall. Inward movement of the lower abdominal wall in supine produced greater activity of TrA compared to OI. OE and RA. During posterior pelvic tilting. middle OI was most active and with abdominal bracing. OE was predominately recruited. Regions of TrA were recruited differentially and in inverse relationship between lumbopelvic motion and TrA electromyography (EMG) was found. This study indicates that inward movement of the abdominal wall in supine produces the most independent activity of TrA relative to the other abdominal muscle, recruitment varies between regions of TrA, and observation of abdominal and lumbopelvic motion may assist in evalation of exercise performance. (c) 2004 Elsevier Ltd. All rights reserved.
Keyword Exercises
Abdominal Muscles
Transversus Abdominis
Low Back Pain
Q-Index Code C1

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Created: Wed, 15 Aug 2007, 06:06:54 EST