Rotator cuff tear
Symptoms
Shoulder joint pain is generalised, but more often felt in the arm and especially at night. It is rarely an acute shoulder pain but rather a chronic one. Most of the time, in cases of untreated rotator cuff tear, patients can carry out almost all daily activities, yet the shoulder becomes painful at night. The tendon tear may also — though not always — cause a loss of strength.
Full-thickness rotator cuff tear
In the vast majority of cases, the lesion or tear of the rotator cuff is full-thickness, meaning the tendon is completely detached from the bone (see photo 1) and specifically involves the supraspinatus. The lesion then spreads forward (subscapularis) or backward (infraspinatus).
A tear of the supraspinatus is not always full-thickness; in such cases we speak of a partial-thickness rotator cuff tear (photo 2), meaning the supraspinatus tendon is not completely detached from the bone. Partial tears can be just as painful as full-thickness tears, since the pain is essentially linked to shoulder bursitis.



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