Many people have heard the term shoulder instability but have wondered what that means. So, what is shoulder instability? Many structures are responsible for stabilizing your shoulders. This includes ...

Correspondence to Ms Anju Jaggi, Shoulder & Elbow Unit, Royal National Orthopaedic Hospital, Brockley Hill, Stanmore HA7 4LP, UK; anju.jaggi{at}rnoh.nhs.uk the surface arc or area of contact between ...

Shoulder instability occurs when the arm’s ball joint moves in and out of the shoulder socket joint. Chronically unstable shoulders can lead to loose shoulder joints that slip out of place repeatedly.