Week 2 Lecture

Question 1

What injuries are involved in the terrible triad of the elbow?

Answer 1

1. Posterior dislocation
2. coronoid fracture of Ulna
3. Radial head fracture

Question 2

At what elbow position is there no bony contact between the radius and capitellum?

Answer 2

Full extension

Question 3

At what elbow position is the MCL providing a majority of valgus stability

Answer 3

90 degrees flexion

Question 4

What three movements does the LCL aid to resist?

Answer 4

1. varus (some)
2. distraction
3. posterior radial head fracture

Question 5

What provides most of the protection against varus forces at the elbow ?

Answer 5

Bony articulations

Question 6

List 5 common causes of medial elbow pain

Answer 6

1. Flexor/pronator tendinopathy
2. MCL sprain - acute or chronic
3. Ulnar nerve compression
4. Pronator syndrome
5. Referred pain - c-spine, t-spine

Question 7

What muscles should be strengthened with MCL sprains?

Answer 7

Pronators and flexors

Question 8

What movement will be provocative for ulnar nerve compression

Answer 8

sustained flexion

Question 9

List 5 common causes of lateral elbow pain

Answer 9

1. Extensor tendinopathy
2. Spine referred pain
3. PIN
4. Radial tunnel syndrome
5. radiohumeral bursitis

Question 10

list 3 strength findings for an extensor tendinopathy

Answer 10

1. reduced grip strength
2. wrist extension painful or weak
3. 3rd MCP extension painful or weak

Question 11

Differe presentation between PINS and RTS

Answer 11

RTS = Pain

PINS = Pain and weakness

Question 12

List 3 common causes of posterior elbow pain

Answer 12

1. Olecranon Bursitis
2. Triceps tendinopathy
3. Posterolateral impingement

Question 13

What is the most important dynamic stabiliser of the medial elbow

Answer 13

FCU

Question 14

Lateral elbow tendinopathy - If 3rd digit extension is more provocative than wrist extension, what muscles are likely implicated ?

Answer 14

1. Extensor digitorum

2. ECU