Fracture | Location | Associated | Clinical |
Surgical neck fracture (X) | Just below the humerus head | Axillary Nerve | Deltoid muscle weakness loss of sensation over deltoid area |
Humerus shaft fracture (Y) | Middle of the humerus | Radial Nerve | Wrist drop inability to extend wrist and fingers |
Medial epicondyle fracture (Z) | Distal humerus, medial side | Ulnar Nerve | Claw hand loss of sensation in the 4th and 5th fingers |
