Shoulder Instability and Dislocation

Shoulder instability ranges from a loose, unreliable feeling through to full dislocation. Why it recurs, and what rehabilitation has to rebuild.
Rotator Cuff Tendinopathy

Rotator cuff tendinopathy causes shoulder pain when lifting, reaching overhead or lying on that side. Why it happens and why loading beats rest.
Shoulder Bursitis

Subacromial bursitis causes pain at the outer shoulder when lifting the arm or lying on that side. Why it rarely happens on its own, and what helps.
AC Joint Injury

An AC joint injury causes pain right at the top of the shoulder, usually after a fall or a tackle. Grades explained, and what recovery actually involves.