Electromyographic biofeedback improves upper extremity function: a randomized, single-blinded, controlled trial.

Objective: To examine the effects of a 6-week surface electromyographic biofeedback intervention on the re-learning of upper extremity motor function in subjects with paretic upper extremity after stroke.

Design: A randomized controlled trial.

Setting: State Centre of Attention to Brain Injury, Madrid, Spain.