The Hip book

Posterior Shoulder Dislocation / Instability

– See: Fracture Dislocation / Anterior Instability – Discussion: – posterior dislocation is rare & should raise possibility of seizure as cause, other causes include an electric shock or ECT without muscle relaxants; – mechanism: – axial loading of the adducted, internally rotated arm; – because the internal rotator muscles are approx twice as powerful as the exernal rotator muscles, a sudden … Read more