Effects of Modified Constraint-Induced Movement Therapy on Movement Kinematics and Daily Function in Patients With Stroke: A Kinematic Study of Motor Control Mechanisms

¹ Department of Occupational Therapy and Graduate Institute of Clinical Behavioral Science, Chang Gung University, Taoyuan, Taiwan
² College of Medicine, National Taiwan University, and Dept of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Taipei, Taiwan
³ Department of Industrial Engineering and Management, Chaoyang University of Technology, Taichung, Taiwan
⁴ Division of Physical Rehabilitation, Songshan Armed Forces General Hospital, Taipei, Taiwan
⁵ School of Sports Medicine, China Medical University, Taichung, Taiwan

^* To whom correspondence should be addressed. E-mail: cywu{at}mail.cgu.edu.tw.

	Abstract

Background and Objective. Motor control of the upper extremity during unilateral and bimanual functional tasks and functional change during daily activities were evaluated in patients with stroke treated with modified constraint-induced movement therapy (mCIMT). Methods. In a pre-post randomized, controlled trial, 30 stroke patients received 2 hours of mCIMT or traditional rehabilitation (TR) for 3 weeks. Motor control of the upper extremity was evaluated using kinematic analysis in unilateral and bilateral tasks. Kinematic variables included spatial and temporal movement efficiency and type of movement control (preplanned control, representing well-learned movement, or feedback-guided control). Functional outcomes were evaluated using the Motor Activity Log (MAL) and the Functional Independence Measure (FIM). Results. Patients receiving mCIMT showed more temporally (P = .013) and spatially (P = .011) efficient movement and more preplanned movement control (P = .009) during the bimanual task, and greater gains in FIM (P = .004) and MAL scores (amount of use: P <.0001, and quality of movement: P = .012) than patients in the TR group. Patients receiving mCIMT produced more ballistic/preplanned reaching movement than did patients receiving TR (P = .023) during the unilateral task; but there were no group differences in temporal or spatial efficiency in unilateral task performance. Conclusions. Relative to TR, mCIMT produced a greater improvement in functional performance and motor control. Improvement of motor control after mCIMT was based on improved spatial and temporal efficiency, apparently more salient during bimanual rather than unilateral task performance. This suggests that bilateral task performance should potentially be emphasized in kinematic study of changes in motor control after mCIMT.

First published on June 29, 2007, doi:10.1177/1545968307303411

Neurorehabilitation and Neural Repair 2007;21:460.

A more recent version of this article appeared on October 1, 2007


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