Investigating head and trunk rotation in sitting: a pilot study comparing people after stroke and healthy controls


Verheyden, G., Ashburn, A., Burnett, M., Lawrence, J. and Hyndman, D. The Stroke Association Rehabilitation Research Centre (2012) Investigating head and trunk rotation in sitting: a pilot study comparing people after stroke and healthy controls. Physiotherapy Research International, 66-73. (doi:10.1002/pri.514). (PMID:21726019).

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Description/Abstract

Background and purpose: healthy individuals have a top-down coordination pattern when turning while walking; they first rotate the head, then the shoulders, the pelvis and, finally, the feet. The aim of this study was to compare spatial and temporal characteristics of head and trunk rotation in sitting between people early after stroke and healthy participants, and investigate change over time.

Methods: this was a pilot, quantitative, longitudinal study. We recruited participants from stroke wards and local groups. People with stroke were assessed at 3, 6 and 12 weeks after stroke. Healthy participants were examined with the same weekly intervals. Participants were in a seated position and were asked verbally to rotate their head and look at a visual signal placed at 90° to the left and to the right of the subject. CODAmotion (Charnwood Dynamics Ltd, Rothley, UK) was used for 3-D motion recording and analysis.

Results: healthy participants (two women and four men; mean age 66 years) showed significant rotation of the head before rotation of the shoulders at all three time points; people with stroke (one woman and five men; mean age 71 years) did not show this top-down pattern of movement. There was no significant difference between start times of head and shoulder rotation at 3 (p = 0.167), 6 (p = 0.084) and 12 weeks after stroke (p = 0.062). Conclusions. The results of our pilot study warrant further investigation into the recovery and pattern of axial coordination after stroke. Future studies could provide insight into the mechanisms behind impaired postural control in people after stroke

Item Type: Article
ISSNs: 1358-2267 (print)
1471-2865 (electronic)
Subjects: Q Science > QP Physiology
R Medicine > R Medicine (General)
Divisions: University Structure - Pre August 2011 > School of Health Sciences
Faculty of Health Sciences
ePrint ID: 159055
Date Deposited: 25 Jun 2010 12:29
Last Modified: 27 Mar 2014 19:15
URI: http://eprints.soton.ac.uk/id/eprint/159055

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