Relationship between tendon tissue and shoulder disability change during an 8-week exercise intervention for rotator cuff tendinopathy: an observational study

Review written by Todd Hargrove info

Key Points

  1. Eight weeks of exercise therapy for rotator cuff tendinopathy improved disability but resulted in only minimal changes in tendon thickness and no changes in internal tendon architecture.
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BACKGROUND AND OBJECTIVE

Rotator cuff tendinopathy is the most common cause of shoulder pain. Exercise therapy is a recommended treatment, but the exact mechanism of its effect is unknown. Specifically, it is unclear to what extent morphological changes in tendon structure account for the benefits of exercise therapy.

This study investigated how changes in supraspinatus tendon thickness and internal architecture relate to improvements in shoulder disability during an eight-week exercise program.

Rotator cuff tendinopathy is the most common cause of shoulder pain.
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Clinicians may consider this as evidence that the benefits of exercise therapy for rotator cuff tendinopathy are primarily caused by non-structural mechanisms.

METHODS

The study recruited 47 adults with unilateral rotator cuff tendinopathy with symptoms lasting at least three months. The median symptom duration was six months.

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