Intra-abdominal pressure response to multidirectional support-surface translation

Hodges, P. W., Cresswell, A. G. and Thorstensson, A. (2004) Intra-abdominal pressure response to multidirectional support-surface translation. Gait and Posture, 20 2: 163-170. doi:10.1016/j.gaitpost.2003.08.008

Author Hodges, P. W.
Cresswell, A. G.
Thorstensson, A.
Title Intra-abdominal pressure response to multidirectional support-surface translation
Journal name Gait and Posture   Check publisher's open access policy
ISSN 0966-6362
Publication date 2004
Sub-type Article (original research)
DOI 10.1016/j.gaitpost.2003.08.008
Volume 20
Issue 2
Start page 163
End page 170
Total pages 8
Editor F. Miller
Place of publication Netherlands
Publisher Elsevier
Collection year 2004
Language eng
Subject C1
321024 Rehabilitation and Therapy - Occupational and Physical
730303 Occupational, speech and physiotherapy
Abstract A complex response of the trunk muscles occurs to restore equilibrium in response to movement of the support surface. Intra-abdominal pressure (IAP) is considered to contribute to control of the trunk. This study investigated the contribution of IAP to the postural response to multidirection support-surface translation. IAP was recorded with a thin-film pressure transducer inserted via the nose into the stomach and trunk motion was recorded with an optoelectronic system with markers over the spinous process of L1. A pattern of trunk movement was recorded in response to the support-surface translations that was consistent with a 'hip' strategy of postural control. The trunk moved in a manner appropriate to move the centre of gravity over the new base of support. IAP was increased with movement in each direction, but varied in timing and amplitude between translation directions. In general, the IAP was greater with translations in the sagittal plane compared to the frontal plane and was initiated earlier for translations in the backward direction. These data indicate that IAP contributes to the postural response associated with support-surface translation and suggest that this is consistent with stiffening the spine. (C) 2003 Elsevier B.V. All rights reserved.
Keyword Neurosciences
Sport Sciences
Intra-abdominal Pressure
Spinal Stability
Postural Control
Support-surface Translation
Intra-abdominal Pressure
Trunk Muscle-activity
Q-Index Code C1

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Created: Wed, 15 Aug 2007, 03:54:30 EST