Journal
ARCHIVES OF PHYSICAL MEDICINE AND REHABILITATION
Volume 85, Issue 6, Pages 881-885Publisher
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.apmr.2003.08.094
Keywords
electric stimulation; hemplegia; rehabilitation; stroke
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Objective: To test a functional electric stimulation (FES)assisted exercise therapy system for improvement of motor function of the hemiplegic tipper extremity. Design: A before-after trial, with 2-month follow-up. Setting: A university research laboratory. Participants: A convenience sample of 6 subjects (3 men, 3 women). Main inclusion criteria were that stroke had occurred more than 1 year before the study (mean time poststroke, 5.6+/-4.4y) and had resulted in hemiplegia, and that FES produced adequate hand opening. Intervention: A prototype workstation with instrumented objects was used by subjects to perform a set of tasks with their affected hand during 1-hour sessions for 12 consecutive workdays. A FES stimulator was used to assist hand opening. Main Outcome Measures: Kinematic data, provided by the workstation sensors and 3 clinical tests. Results: Kinematic data indicated statistically significant improvement in subjects' performance (pre-/posttreatment effect size [pre/post ES] of the mean performance scores=5.46; mean pretreatment/follow-up ES [pre/FU ES]=3.44). Two of 3 clinical tests showed improvement in hand function (mean pre/post ES =.51; mean pre/FU ES =.61). Conclusions: Improvement in hemiplegic hand function because of FES-assisted therapy was documented in a small group of people with hemiplegia whose motor impairment would exclude them from participation in constraint-induced movement therapy. However, the long-term clinical relevance of such improvement needs further study.
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