ABSTRACT
The direction of dislocation is the most useful system of classification for acute dislocation, as TUBS and AMBRI refer to non-acute situations. Thirty eight per cent of all joint dislocations involve the glenohumeral joint, of which 98% are anterior. Anterior dislocation is usually subcoaracoid, but can be subglenoid, subclavicular, or even intrathoracic. The remaining 2% are posterior, with the exceptional inferior ‘luxatio erecta’ and superior dislocation.
