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Intramuscular Electromyographically Controlled Neuromuscular Electrical Stimulation for Ankle Dorsiflexion Recovery in Chronic Hemiplegia

Chae, John MD, ME; Fang, Zi-Ping PhD; Walker, Maria MSE; Pourmehdi, Soheyl PhD; Knutson, Jayme MSE

American Journal of Physical Medicine & Rehabilitation: November 2001 - Volume 80 - Issue 11 - p 842-847
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Chae J, Fang Z-P, Walker M, Pourmehdi S, Knutson J: Intramuscular electromyographically controlled neuromuscular electrical stimulation for ankle dorsiflexion recovery in chronic hemiplegia. Am J Phys Med Rehabil 2001;80:842–847.

We report three cases of survivors of chronic stroke treated with active repetitive movement training of the paretic ankle dorsiflexors mediated by intramuscular electromyographically controlled neuromuscular electrical stimulation (NMES). These case reports demonstrate the feasibility of using intramuscular electromyographically controlled NMES for facilitating ankle dorsiflexion recovery among survivors chronic stroke with moderate hemiplegia. Relevant issues for clinical implementation and future investigations are reviewed.

From the Center for Physical Medicine and Rehabilitation and Department of Biomedical Engineering, Case Western Reserve University (JC); the Departments of Physical Medicine and Rehabilitation and Orthopedics, MetroHealth Medical Center, (JC); the Cleveland Veterans Affair Functional Electrical Stimulation Center, Cleveland Veterans Affair Medical Center (JC); and the NeuroControl Corporation (ZF, MW, SP, JK), Cleveland, Ohio.

Supported in part by Grants 1 R43 NS36484-01A1 from the National Institute of Neurological Diseases and Stroke, 1 R29 HD35616-01 from the National Institute of Child Health and Human Development, and M01RR00080 (General Clinical Research Center) from the National Center for Research Resources.

All correspondence and requests for reprints should be addressed to John Chae, MD, ME, Center for Physical Medicine and Rehabilitation, Case Western Reserve University, MetroHealth Medical Center, 2500 MetroHealth Drive, Cleveland, OH 44109.

© 2001 Lippincott Williams & Wilkins, Inc.