Sudden shoulder pain and swelling.
Inability to move or lift the arm.
Ecchymosis around the shoulder and chest wall.
Inspection: Swelling, bruising, possible deformity.
Palpation: Tenderness over the proximal humerus; crepitus on gentle motion.
Movement: Painful restriction of motion; pseudoparalysis may be noted.
Neurovascular Assessment:
Check axillary nerve (sensation over deltoid patch, abduction weakness).
Palpate radial pulse to rule out vascular compromise.