7. Ligaments of Elbow

Question 1

Identify 1 - 2

Answer 1

1. Joint capsule
2. Radial collateral ligament

Question 2

Identify 3 - 4

Answer 2

3. Synovial membrane
4. Articular cartilage

Question 3

Identify 5 - 7

Answer 3

5. Biceps brachii tendon
6. Anular ligament of radius
7. Ulnar collateral ligament

Question 4

Identify 8

Answer 4

8. Triceps brachii tendon

Question 5

What type of joint is the elbow joint? Their articulations?

Answer 5

a uniaxial synovial hinge (ginglymus) joint that includes

• the humeroradial joint (between the capitulum of the humerus and the head of the radius)
• the humeroulnar joint (between the trochlea of the humerus and the trochlear notch of the ulna).
• a proximal uniaxial radioulnar synovial (pivot) joint that participates in supination and pronation (rotation).

Question 6

Movements of proximal uniaxial radioulnar synovial (pivot) joint?

Answer 6

participates in supination and pronation (rotation).

Question 7

What type of joint is the proximal radioulnar joint? Their articulations?

Answer 7

a proximal uniaxial radioulnar synovial (pivot) joint

Question 8

Blood is supplied to the elbow by (1)____ and (2)____

Answer 8

branches of the brachial artery

recurrent collateral branches of the radial and ulnar arteries.

Question 9

2 movements of elbow joint

Answer 9

Movements about the elbow include flexion and extension.

Question 10

The elbow joint is stabilized by (1)____ and (2)____

!!! Answers are ligaments

Answer 10

1. the radial collateral ligament
2. the ulnar collateral ligament

Question 11

The role of the anular ligament?

Answer 11

The anular ligament holds the head of the radius in place.