Forelimb - Deep - O/I

Question 1

brachialis origin & insertion

Answer 1

o: lateral surface of humerus
i: medial surface of ulna below semilunar arch

Question 2

coracobrachialis origin & insertion

Answer 2

o: coracoid process of scapula
i: medial shaft of humerus

Question 3

triceps brachii, medial (two heads) origin & insertion

Answer 3

o: dorsomedial surf. of humerus & medial surf. of supracondyloid foramen
i: olecranon process of ulna

Question 4

supinator origin & insertion

Answer 4

o: supinator crest of ulna, lateral epicondyle of humerus
i: radial tuberosity, surface of radius