Humerus – Anterior (top) and Posterior (bottom)

Question 1

26

Answer 1

Head of the humerus  articulates with the glenoid cavity of the scapula

Question 2

27

Answer 2

Greater tubercle  insertion site for supraspinatus and infraspinatus

Question 3

25

Answer 3

Lesser tubercle  insertion of the subscapularis

Question 4

28

Answer 4

Anatomical neck  lies directly inferior to the head

Question 5

29

Answer 5

Surgical neck  named as it is the most commonly fractured site

Question 6

30

Answer 6

Intertubercular sulcus  also called bicipital groove; seperates greater and lesser tubercles, tendon of the long head of the biceps brachii runs along this landmark

Question 7

31

Answer 7

Deltoid tuberosity  site of insertion of the deltoid

Question 8

32

Answer 8

Medial epicondyle  site of origin of forearm flexor and pronator muscles

Question 9

33

Answer 9

Olecranon fossa  site of articulation with the olecranon of the ulna

Question 10

34

Answer 10

Capitulum  rounded prominence at the inferior aspect of the humerus, articulates with the head of the radius

Question 11

35

Answer 11

Trochlea  articulates with the trochlea notch of the ulna