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Glenohumeral contact forces and muscle forces evaluated in wheelchair-related activities of daily living in able-bodied subjects versus subjects with paraplegia and tetraplegia
VAN DRONGELEN S; VAN DER WOUDE L; JANSSEN TW; ANGENOT EL; CHADWICK EK; VEEGER DJH
ARCH PHYS MED REHABIL , 2005, vol. 86, n° 7, p. 1434-1440 Doc n°: 121109 Localisation : Documentation IRR Descripteurs : AE2 - PARAPLEGIE-TETRAPLEGIE, KB3 - ACTIVITES DE LA VIE QUOTIDIENNE, DD32 - EXPLORATION EXAMENS BILANS - EPAULE
Article consultable sur : http://www.archives-pmr.org
Objective: To estimate the differences in glenohumeral contact forces and shoulder muscle forces between able-bodied subjects and subjects with paraplegia and tetraplegia during wheelchair-related activities of daily living (ADLs). Design: Kinematics and external forces were measured during wheelchair ADLs (level propulsion, weight-relief lifting, reaching) and processed by using an inverse dynamics 3-dimensional biomechanical model. Setting: Biomechanics laboratory. Participants: Five able-bodied subjects, 8 subjects with paraplegia, and 4 subjects with tetraplegia (N=17). Interventions: Not applicable. Main Outcome Measures: Glenohumeral contact forces and shoulder muscle forces. Results: Peak contact forces were significantly higher for weight-relief lifting compared with reaching and level propulsion (P <.001). High relative muscle force of the rotator cuff was seen, apparently needed to stabilize the joint. For weight-relief lifting, total relative muscle force was significantly higher for the tetraplegia group than for the able-bodied group (P=.022). Conclusions: Glenohumeral contact forces were significantly higher for weight-relief lifting and highest over the 3 tasks for the tetraplegia group. Without taking paralysis into account, more muscle force was estimated for the subjects with tetraplegia during weight-relief lifting. (c) 2005 by American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation. Langue : ANGLAIS |
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