shoulder instability

shoulder instability

A shoulder weakened by subluxation or dislocation.
 
Shoulder instability can be classified by:
• Direction: anterior (98% of cases), posterior or inferior;
• Aetiology—traumatic or nontraumatic; and
• Volition­—voluntary or involuntary.

shoulder instability

Orthopedics The weakening of the glenohumeral joint by subluxation or dislocation. See Multidirectional shoulder instability.