Does EMG biofeedback training improve the scapular movement?

Although biofeedback might be effective to improve scapular movement, no research investigated it.

Subacromial or shoulder impingement is the most common cause of shoulder pain and accounts for 40% of shoulder disorders. Increased muscle activation of the upper trapezius and a lower activation of the lower trapezius and serratus anterior might lead to an abnormal scapular movement, which results in a decreased subacromial space.

Previous studies reported improved muscle activation patterns and an increased balance in the shoulder after the use of biofeedback. Although biofeedback has demonstrated to be effective, little is known about the acute effects of exercises with EMG biofeedback in prevention of shoulder impingement. Thus, this study aimed to investigate the effects of scapular stabilisation exercises with an EMG biofeedback training on scapular movement in healthy individuals.

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