Evidence of a full thickness supraspinatus tear was associated with symptoms arising from the subacromial region, and a biceps tendon sheath effusion and an intact rotator cuff were associated ...

Fifteen patients with supraspinatus tendon tear and no apparent pathology of the subscapularis tendon on MRI and during arthroscopy were included. The cuff tears were repaired arthroscopically.

Methods Muscle biopsies of nine partially torn and 15 fully torn supraspinatus tendons were compared histologically ... to regenerate appears to be reduced when a full-thickness tear is established.