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Articular cartilage injury of the glenohumeral joint is an increasingly recognized component of shoulder pathology, particularly in young, active patients, overhead athletes, and patients with recurrent instability.

Rotator cuff tears (RCTs) are among the most common causes of shoulder pain and dysfunction. They affect approximately 16–34% of the general population [1], with the prevalence increasing substantially with age and reaching up to 50% in individuals older than 50 years [2].

PASTA stands for Partial Articular-Sided Supraspinatus Tendon Avulsion. It describes a partial-thickness tear involving the articular surface of the supraspinatus tendon, one of the four tendons forming the rotator cuff.

The human body contains over 150 bursae—tiny, fluid-filled sacs located between bones, tendons, muscles, and skin. Their primary job is to act as biological cushions, reducing rubbing and friction near joints that perform repetitive motions, such as the shoulder, elbow, hip, and knee.

The shoulder is one of the most mobile joints in the human body, allowing a wide range of movement essential for daily activities and sports. This remarkable mobility, however, comes at the expense of stability, making the shoulder vulnerable to injuries such as a SLAP tear.