Journal of biomechanical engineering
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Rotator cuff tears frequently occur and can lead to pain and decreased shoulder function. Repair of the torn tendon back to bone is often successful in relieving pain, but failure of the repair commonly occurs. Post-operative activity level is an important treatment component that has received minimal attention for the shoulder, but may have the potential to enhance tendon to bone healing. ⋯ The angular deviation of the collagen, a measure of disorganization, was decreased with a decrease in activity level at 4 weeks (IM