Injury to the radial nerve superior to the
origin of its branches to the triceps
brachii results in paralysis of the triceps,
brachioradialis, supinator, and extensor
muscles of the wrist and fingers
Fractures
Definition
A break in the structural continuity of the bone tissue
How do they occur ?
By a single traumatic event
Repetitive stress in a short period of time (stress
fracture)
Abnormal weakening of the bone
(Osteoporosis, pathological fracture)