Ulna

Question 1

What is the olecranon process?

Answer 1

located at the proximal end of ulna, on the posterior surface, forms prominent point of the elbow and provides attachment for tricep.

Question 2

What is the trochlear notch?

Answer 2

called the semi-lunar notch; articulates with the trochlea. forms prominent point of the elbow and provides the attachment for the brachialis.

Question 3

What is the radial notch?

Answer 3

located at the proximal end of the lateral side, just distal to trochlear notch; articulation point for the head of the radius.

Question 4

What is the ulnar tuberosity?

Answer 4

located below coronoid process; provides attachment for the brachialis muscle.

Question 5

What is the styloid process?

Answer 5

located at distal end of posterior/medial surface.

Question 6

what is the head of the ulna?

Answer 6

located at the distal end of the lateral surface; ulnar notch of radius pivots around it during pronation/supination.

Question 7

What is the head of the radius?

Answer 7

at proximal end, has a cylinder with a depression in superior surface, when it articulates with the capitulum and humerus.

Question 8

Want is the radial tuberosity?

Answer 8

located on the medial side, proximal end; provides attachment for biceps.

Question 9

What is the styloid process of the radius?

Answer 9

located on the posterior side of radius at distal end; provides an attachment for the brachioradialis muscle.