Elbow Anatomy
Name two motions of the elbow
Flexion , Extension, Pronation and Supination
An overuse injury
Medial Epicondylitis
“Little Leaguer’s Elbow”
A rupture of the central extensor tendon
Boutonniere Deformity
Why does a UCL tear occur?
Overuse or lack of internal rotation
Treatment is the same as medial epicondylitis
Lateral Epicondylitis
“Tennis Elbow”
Inhibition of the median nerve results in atrophy of the muscles within the thenar eminence
The extensor muscles draw the thumb parallel with the fingers and the patient’s ability to flex or oppose the thumb is lost
Ape Hand
Volkmann’s Ischemic Contracture Cause ?
Can be due to a fracture that occludes blood supply, crush injury, compartment syndrome
Can happen from pulling on the arm
Nursemaid’s Elbow
Named after Irish surgeon Robert William Smith
Smith Fracture
how can Nursemaid’s Elbow be reduced ?
Can be reduced quickly and will only be x-rayed if fracture is suspected
Occurs traumatically
Elbow Dislocation
Often results from punching incorrectly
Boxer’s Fracture
Tested with a valgus stress test at multiple degrees of flexion (25, 45, 60, 90)
Ulnar Collateral Ligament Sprain/Tear
Caused by a direct blow to the elbow
Student’s Elbow”
Avulsion of the flexor digitorum profundus tendon
Jersey Finger