triceps brachii

Question 1

triceps brachii origin long head

Answer 1

infraglenoid tubercle of scapula and adjacent glenoid labrum

Question 2

triceps brachii origin lateral head

Answer 2

posterior surface of humerus (above and lateral to groove)

Question 3

triceps brachii origin medial head

Answer 3

posterior surface of humerus (below and medial to groove)

Question 4

triceps brachii insertion

Answer 4

posterior surface olecranon of ulna, adjacent deep fascia of the forearm

Question 5

triceps brachii dof

Answer 5

inferiorly

Question 6

triceps brachii nerve supply

Answer 6

radial nerve C6, 7, 8

Question 7

triceps brachii actions

Answer 7

extends the elbow

Question 8

triceps brachii functions

Answer 8

using a hammer