Elbow Ligaments

Question 1

Describe the shape of the joint’s articular surfaces in relation to the type of joint and the physiological movements available

Answer 1

A synovial, hinge joint. Articulation between the trochlea surface and capitulum of the humerus and trochlear notch of the ulna and head of the radius.

Question 2

Ulnar collateral origin

Answer 2

Medial epicondyle

Question 3

Ulnar collateral insertion

Answer 3

Medial aspect of coronoid process and olecranon of ulna

Question 4

Ulnar collateral movement restriction

Answer 4

Limits valgus forces on the elbow

Question 5

Radial collateral origin

Answer 5

Lateral epicondyle of the humerus

Question 6

Radial collateral insertion

Answer 6

Margins of the radial notch and ulna

Question 7

Radial collateral limit to movement

Answer 7

Limits varus forces on the elbow

Question 8

Radial collateral fibre direction

Answer 8

Strong triangular band extending horizontally