ELBOW

Question 1

Label

Answer 1

Ulna is bigger proximally, radius is bigger distally. Radius rotates, ulna doesn’t. The bones are held togeher by two radio-ulnar joints, proximally and distally.

Question 2

Pain in the medial or lateral elbow worsening with repetitive movements is likely one of which two conditions?

Answer 2

Medial or lateral epicondylitis (golfers / tennis elbow respectively)

→ chronic symptomatic inflammation of forearm tendons at elbow. Overuse syndrome caused by microtears in tendons attaching to epicondyles of elbow following repetitive injury

Question 3

Most people who have children shouldn’t have children. What is about to happen to this child’s elbow?

Answer 3

Subluxation of radial head (partial dislocation - pulled elbow)

Caused by axial traction on pronated forearm: and have a ligaments lips overhead of radius and becomes trapped in the radiohumeral joint

Question 4

What is the most common paediatric elbow fracture? Which nerve and artery are most likely to be injured in this type of fracture?

Answer 4

Supracondylar fracture: often from fall on outstretched arm

Question 5

Which nerve and artery can be damaged in a supracondylar fracture?

Answer 5

• Brachial artery
• Median nerve
• Radial or ulnar nerves may also be injured: ulnar travels under medial epicondyle; radial wraps laterally