NDLI: Evidence for a relationship between abnormal static torque synergies and disturbances of planar arm movements in hemiparetic subjects: preliminary results

Content Provider	IEEE Xplore Digital Library
Author	Dewald, J.P.A. Beer, R.F.
Copyright Year	1999
Description	Author affiliation: Sensory Motor Performance Program, Rehabilitation Inst. of Chicago, IL, USA (Dewald, J.P.A.)
Abstract	The purpose of this study was to explore the relationship between abnormal static torque synergies and disturbances of planar arm movements in stroke subjects (n=3). Abnormal static torque synergies (e.g. coupling between shoulder abduction-external rotation and elbow flexion torques) were identified in the impaired arm of all three subjects using 6 degree of freedom load cell measurements. As a result, the ability of subjects to produce static elbow extension and shoulder abduction torques simultaneously was severely compromised. Based on comparisons of actively and passively supported arm movements, similar manifestations of these abnormal synergies were present under dynamic conditions. Disturbances of actively supported reaching movements (which required shoulder abduction and external rotation torques) were associated with a reduction in the elbow extension torque, relative to the passively supported condition. The scientific and clinical implications of these preliminary findings will be discussed.
File Size	138190
File Format	PDF
ISBN	0780356748
ISSN	1094687X
DOI	10.1109/IEMBS.1999.802625
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-10-13
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Elbow Shoulder Muscles Kinematics Biomedical measurements Rotation measurement Torque measurement Kinetic theory Motion analysis Acceleration
Content Type	Text
Resource Type	Article

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