Improving Hand Function in Stroke Survivors: A Pilot Study of Contralaterally Controlled Functional Electric Stimulation in Chronic Hemiplegia Jayme.

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Presentation transcript:

Improving Hand Function in Stroke Survivors: A Pilot Study of Contralaterally Controlled Functional Electric Stimulation in Chronic Hemiplegia Jayme S. Knutson, PhD, Mary Y. Harley, OT, Terri Z. Hisel, OT, John Chae, MD Archives of Physical Medicine and Rehabilitation Volume 88, Issue 4, Pages 513-520 (April 2007) DOI: 10.1016/j.apmr.2007.01.003 Copyright © 2007 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

Fig 1 CCFES system, consisting of electrodes, a stimulator, and a command glove. By opening the unimpaired hand wearing the command glove, the stroke survivor controls the intensity of electric stimulation delivered to the paralyzed finger and thumb extensor muscles of the paretic hand. Archives of Physical Medicine and Rehabilitation 2007 88, 513-520DOI: (10.1016/j.apmr.2007.01.003) Copyright © 2007 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

Fig 2 Sum of joint angles (MPJ° + PIPJ° + DIPJ°) of index finger during maximum voluntary finger extension. NOTE: Values are mean ± standard deviation (SD). Abbreviation: EOT, end-of-treatment assessment. *Statistical significance (P<.05) relative to baseline. Archives of Physical Medicine and Rehabilitation 2007 88, 513-520DOI: (10.1016/j.apmr.2007.01.003) Copyright © 2007 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

Fig 3 Finger-movement tracking error. Sum of errors over 6 tracking trials normalized to the maximum error, which was recorded at baseline for each subject. Archives of Physical Medicine and Rehabilitation 2007 88, 513-520DOI: (10.1016/j.apmr.2007.01.003) Copyright © 2007 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

Fig 4 A single tracking trial for subject 1 from each assessment session. Vertical axis is the sum of joint angles (MPJ° + PIPJ° + DIPJ°) of index finger. Archives of Physical Medicine and Rehabilitation 2007 88, 513-520DOI: (10.1016/j.apmr.2007.01.003) Copyright © 2007 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

Fig 5 Isometric finger-extension moment during maximum voluntary index finger extension. NOTE: Values are mean ± SD. *Statistical significance (P<.05) relative to baseline. Archives of Physical Medicine and Rehabilitation 2007 88, 513-520DOI: (10.1016/j.apmr.2007.01.003) Copyright © 2007 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

Fig 6 BBT score. Number of blocks transferred in 60 seconds. Archives of Physical Medicine and Rehabilitation 2007 88, 513-520DOI: (10.1016/j.apmr.2007.01.003) Copyright © 2007 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions