Portable Myoelectric Brace Use Increases Upper Extremity Recovery and Participation But Not Impact Kinematics in Chronic, Poststroke Hemiparesis

Nienke W. Willigenburg, Michael P. McNally, Timothy Hewett, Stephen J. Page

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The authors examined the efficacy of an 8-week regimen combining repetitive task-specific practice (RTP) with a myoelectric brace (RTP+Myomo) on paretic upper extremity (UE; use in valued activities, perceived recovery, and reaching kinematics) in 12 subjects (4 men; M age = 53.5 years; mean time poststroke = 61.7 months). Seven subjects were administered RTP+Myomo therapy, and 5 were administered RTP only. Both groups participated in individualized, 45-min therapy sessions occurring 3 days/week over an 8-week period. The arm, hand ability, activities of daily living, and perceptions of recovery subscales of the Stroke Impact Scale (SIS), as well as UE reaching kinematics, assessed before and after the intervention. Subjects in the RTP+Myomo group showed greater improvements on all SIS subscales, with the recovery scale reaching statistical significance (p = .03). Subjects in the RTP-only group showed a greater increase in hand velocity in the reach up task (p = .02), but no changes were observed in the range of shoulder flexion or elbow extension during reaching. None of the changes in kinematic outcome measures significantly correlated with any of the changes in SIS subscales. RTP integrating myoelectric bracing may be more beneficial than RTP only in improving self-reported function and perceptions of overall recovery. The authors observed no changes in the range of elbow extension, and no relationship between self-reported improvements and changes in reaching kinematics.

Original languageEnglish (US)
Pages (from-to)1-9
Number of pages9
JournalJournal of Motor Behavior
DOIs
StateAccepted/In press - Oct 12 2016

Fingerprint

Braces
Paresis
Biomechanical Phenomena
Upper Extremity
Stroke
Elbow
Hand
Activities of Daily Living
Arm
Outcome Assessment (Health Care)
Therapeutics

Keywords

  • hemiplegia
  • kinematics
  • neurorehabilitation
  • stroke

ASJC Scopus subject areas

  • Biophysics
  • Orthopedics and Sports Medicine
  • Experimental and Cognitive Psychology
  • Cognitive Neuroscience

Cite this

Portable Myoelectric Brace Use Increases Upper Extremity Recovery and Participation But Not Impact Kinematics in Chronic, Poststroke Hemiparesis. / Willigenburg, Nienke W.; McNally, Michael P.; Hewett, Timothy; Page, Stephen J.

In: Journal of Motor Behavior, 12.10.2016, p. 1-9.

Research output: Contribution to journalArticle

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