Humerus bone

Fracture
type

Location

Associated

nerve injury

Clinical
presentation

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 & fingers

Medial epicondyle

fracture (Z)

Distal humerus,

medial side

Ulnar Nerve

- Claw hand

- Loss of sensation in the

4th & 5th fingers