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Question 1

What are the three olecranon bursae around the elbow joint?

Answer 1

The three olecranon bursae are:

1.	Intratendinous olecranon bursa (sometimes present in the triceps brachii tendon).
2.	Subtendinous olecranon bursa (located between the olecranon and triceps tendon).
3.	Subcutaneous olecranon bursa (located in the subcutaneous connective tissue over the olecranon).

Question 2

What is the function of the bicipitoradial bursa?

Answer 2

The bicipitoradial bursa separates the biceps tendon from the anterior part of the radial tuberosity and reduces abrasion.

Question 3

What type of joint is the proximal radio-ulnar joint?

Answer 3

The proximal radio-ulnar joint is a pivot type of synovial joint.

Question 4

What articulates at the proximal radio-ulnar joint?

Answer 4

The head of the radius articulates with the radial notch of the ulna.

Question 5

How is the head of the radius held in position at the proximal radio-ulnar joint?

Answer 5

The head of the radius is held in position by the anular ligament of the radius.