Efficacy and Task Structure of Bimanual Training Post Stroke: A Systematic Review

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Abstract

Background:

Bimanual training has been shown to be as effective as, but not superior to, unimanual paretic upper extremity (UE) training interventions in improving paretic UE function and use post stroke. However, it is still unclear whether different training interventions or task structures within bimanual interventions may differentially affect the outcomes.

Objective:

The objectives of this review were to (1) systematically determine the efficacy of bimanual training in relation to the International Classification of Functioning, Disability and Health model components and (2) explore the structure of current bimanual training interventions.

Method:

A systematic review was conducted using Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Eleven studies were accepted for review.

Results:

Three main types of bimanual training emerged: functional task training (FTT), bilateral training with rhythmic auditory cues (BATRAC), and robot-assisted training (RAT). Bimanual training is generally effi cacious overall in improving paretic UE movement in individuals with subacute and/or chronic stroke as compared with other interventions. FTT, BATRAC, and RAT showed no significant differences compared with conventional therapy. Bimanual training may have greater proximal control benefits but fewer benefits in terms of subjects’ perceived amount and quality of use as compared with constraint-induced movement therapy.

Conclusion:

There were not enough data to draw any conclusions about the effects of bimanual task symmetry or commonality of goal.

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