Rotator cuff tendinopathy
Irritation and degenerative change within rotator cuff tendons, commonly linked to repetitive overhead activity or age-related changes, producing pain with lifting and overhead reaching.
Shoulder conditions span a spectrum from tendon overuse and irritation to structural tears, joint stiffness, and instability, with several conditions often overlapping in presentation.
Age, activity type, and history of trauma strongly influence which condition is most likely, with degenerative rotator cuff changes becoming more common after middle age and instability more common in younger, more active populations.
Relative clinical burden
Rotator cuff tendinopathy75
Subacromial impingement syndrome65
Rotator cuff tear (partial or full)40
Adhesive capsulitis (frozen shoulder)25
Shoulder instability / labral injury30
Acromioclavicular joint sprain20
Common conditions
Subacromial impingement syndrome
Pain arising from compression of rotator cuff and bursal tissue in the narrow space beneath the acromion, often provoked by repeated overhead motion.
Rotator cuff tear (partial or full)
A structural tear in one or more rotator cuff tendons, ranging from small partial tears to full-thickness tears that can significantly limit strength and motion.
Adhesive capsulitis (frozen shoulder)
Progressive stiffening of the joint capsule that restricts motion in multiple directions, typically moving through distinct painful, stiff, and recovering phases over months.
Shoulder instability / labral injury
Excessive joint laxity or a tear of the labrum, often following a dislocation or repetitive overhead loading, that can produce a sense of the shoulder giving way.
Acromioclavicular joint sprain
Injury to the small joint at the top of the shoulder where the collarbone meets the shoulder blade, commonly caused by a fall directly onto the shoulder.
Because many of these conditions share overlapping symptoms such as pain with overhead reaching, a structured clinical examination is typically needed to distinguish between them and guide appropriate management.
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