Posterior muscles of the arm Flashcards
1
Q
What is the arterial supply to all these muscles?
A
Profunda brachii artery
2
Q
Describe the origin, insertion, innervation + action of triceps brachii
A
LONG HEAD = infraglenoid tubercle LATERAL = humeral shaft, superior to radial groove SHORT = humeral shaft, inferior Olecranon of ulna Extends forearm @ elbow Radial nerve