elbow

Question 1

annular ligament

1) origin
2) insertion
3) function

Answer 1

1) medial and lateral end of radial notch
2) loops around head of radius
3) stabilises proximal radioulna joint

Question 2

what are the two collateral ligaments

Answer 2

• ulna collateral ligament (medial)

- radial collateral ligament (lateral)

Question 3

ulna collateral ligament

1) origin

2) anterior band attachment
posterior band attachment
intermediate band attachment

3) what movement does it check

Answer 3

1) medial epicondyle of the elbow

2) AB - medial border of coronoid process
PB - medial border of olecranon process
IB - fans out between anterior and posterior bands

3) check abduction

Question 4

radial collateral ligament

1) origin
2) insertion
3) what movement does it check

Answer 4

1) lateral epicondyle of humerous
2) attaches to annular ligament
3) check adduction

Question 5

quadrate ligament

1) attachment
2) two sets of fibres functions

Answer 5

1) underneath annular ligament, runs horizontally to inferior neck of radius
2) one to prevent excessive supination & one to prevent excessive pronation