Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings Trauma, Fall on, outstretched arm, Overhead throwing => Abduction and external rotation of the shoulder joint => Force exceeds tensile strength of muscle, tendon, ligaments and joint capsule => Anterior Shoulder Dislocation • Humeral head anterior to glenoid surface on axillary x-ray view -> Dislocation • Posterosuperior humeral head rests against rim of the glenoid -> Impaction of cartilage and underlying bone of humeral head -> Hill Sachs Defect • Humeral head dislocates anterior and inferior to glenoid -> Acute loss of lateral deltoid bulk • Structural damage to nerves, muscles, tendons, ligaments, joint capsule or bone -> Pain #Anterior #Shoulder #Dislocation #Diagnosis #signs #symptoms #msk #orthopedics #pathophysiology
