Elbow Region

Question 1

Flexion & extension of forearm

Reinforced by ulnar by ulnar collateral ligament

Injury: abnormal abduction of forearm

Answer 1

Humeroulnar joint

Question 2

Flexion & extension of forearm

Reinforced by radial collateral ligament

Injury: abnormal adduction of forearm

Answer 2

Humeroradial joint

Question 3

Pronation & supination of forearm

Reinforce by annular ligament

Answer 3

Radioulnar joint

Question 4

Severe distal traction of the radius (yanking a child’s arm) –> subluxation of radial head

SSX: flexed, pronated forearm held close to the body

Reduction: apply direct pressure posteriorly on the radial head while supinating & extending the forearm

Answer 4

Nursemaid elbow

Question 5

Inflammation of common extensor tendon of the wrist where it originates on the lateral epicondyle of the humerus

Answer 5

Lateral epicondylitis (tennis elbow)

Question 6

Inflammation of common flexor tendon of the wrist where it originated on the medial epicondyle of the humerus

Answer 6

Median epicondylitis (golfer elbow)

Question 7

Damages the contents of cubical fossa:

• median nerve
• brachial artery
• biceps brachii tendon
• median cubical vein (superficial to bicipital aponeurosis)
• radial nerve (deep to brachioradialis muscle)

Answer 7

Supracondylar fracture of the humerus

Question 8

3 articulation among humerus, ulnar & radial bones

Answer 8

Humeroulnar joint

Humeroradial joint

Radioulnar joint