Radio ulnar joint

Question 1

Which two bones articulate in the radio ulnar joint

Answer 1

Radius and ulna

Question 2

List the 3 joints of the radio ulnar joint

Answer 2

Proximal, distal and mid

Question 3

Which muscles are responsible for supination

Answer 3

Supinator, biceps brachial (if elbow is in flexion, the biceps will be mostly responsible)

Question 4

Which muscles are responsible for pronation?

Answer 4

Pronator Quadratus (prime mover)
Pronator Teres

Question 5

What is the name of the cartilage which surrounds the head of the radius?

Answer 5

Anular cartilage

Question 6

Name the part of the ulna which articulates with the radius head?

Answer 6

Radial notch

Question 7

The olecranon process is another word for what?

Answer 7

Elbow

Question 8

In the distal radioulnar joint, what articulates with the ulna head? U

Answer 8

Ulnar notch of radius

Question 9

In supination, what position are the radius and ulna in relation to each other

Answer 9

Parallel

Question 10

In pronation, what position are the radius and ulna to each other

Answer 10

The head of radius rotates so the proximal shaft of the radius crosses the ulna laterally