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Compensatory arm reaching strategies after stroke: Induced position analysis

Compensatory arm reaching strategies after stroke: Induced position analysis
Compensatory arm reaching strategies after stroke: Induced position analysis
After stroke, movement patterns of the upper limb (UL) during functional arm reaching change to accommodate altered constraints. These compensatory movement control strategies do not, however, have a one-to-one mapping with posttraining outcomes. In this study, we quantify arm movement control strategies in unilateral and bilateral reaching tasks using induced position analysis. In addition, we assess how those strategies are associated with UL residual impairments and with functional improvement after a specific bilateral arm training intervention. Twelve individuals with chronic stroke were measured while reaching to a box as part of their pre- and posttesting assessments. Other measurements included the Fugl-Meyer Upper Extremity Assessment (FM), Modified Wolf Motor Function Test (WT), and the University of Maryland Arm Questionnaire for Stroke (UMAQS). We identified arm control strategies that did not differ between unilateral and bilateral tasks but did differ by FM impairment level and by predicted gains in WT but not UMAQS. Increased shoulder relative to elbow moment contribution was associated with less impairment and greater gains of speed in functional tasks. These results suggest that one goal of training to achieve better outcomes may be to decrease the abnormal coupling of the shoulder and elbow
0748-7711
71-84
Liu, Wei
062dd3e4-39b6-45f5-9e48-583a67055830
McCombe Waller, Sandy
91ffc714-a088-428d-b92c-9b0d70f286da
Kepple, Thomas M.
788c9c81-ad39-4eb6-b3e0-0f67fd5926d1
Whitall, Jill
9761aefb-be80-4270-bc1f-0e726399376e
Liu, Wei
062dd3e4-39b6-45f5-9e48-583a67055830
McCombe Waller, Sandy
91ffc714-a088-428d-b92c-9b0d70f286da
Kepple, Thomas M.
788c9c81-ad39-4eb6-b3e0-0f67fd5926d1
Whitall, Jill
9761aefb-be80-4270-bc1f-0e726399376e

Liu, Wei, McCombe Waller, Sandy, Kepple, Thomas M. and Whitall, Jill (2013) Compensatory arm reaching strategies after stroke: Induced position analysis. The Journal of Rehabilitation Research and Development, 50 (1), 71-84. (doi:10.1682/JRRD.2011.04.0074).

Record type: Article

Abstract

After stroke, movement patterns of the upper limb (UL) during functional arm reaching change to accommodate altered constraints. These compensatory movement control strategies do not, however, have a one-to-one mapping with posttraining outcomes. In this study, we quantify arm movement control strategies in unilateral and bilateral reaching tasks using induced position analysis. In addition, we assess how those strategies are associated with UL residual impairments and with functional improvement after a specific bilateral arm training intervention. Twelve individuals with chronic stroke were measured while reaching to a box as part of their pre- and posttesting assessments. Other measurements included the Fugl-Meyer Upper Extremity Assessment (FM), Modified Wolf Motor Function Test (WT), and the University of Maryland Arm Questionnaire for Stroke (UMAQS). We identified arm control strategies that did not differ between unilateral and bilateral tasks but did differ by FM impairment level and by predicted gains in WT but not UMAQS. Increased shoulder relative to elbow moment contribution was associated with less impairment and greater gains of speed in functional tasks. These results suggest that one goal of training to achieve better outcomes may be to decrease the abnormal coupling of the shoulder and elbow

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Published date: 2013
Organisations: Faculty of Health Sciences

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Local EPrints ID: 361396
URI: http://eprints.soton.ac.uk/id/eprint/361396
ISSN: 0748-7711
PURE UUID: f56105e7-b14c-4036-87b0-42359263c17a

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Date deposited: 20 Jan 2014 09:28
Last modified: 13 May 2024 16:34

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Contributors

Author: Wei Liu
Author: Sandy McCombe Waller
Author: Thomas M. Kepple
Author: Jill Whitall

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