Posterior muscles of the arm Flashcards

1
Q

What is the arterial supply to all these muscles?

A

Profunda brachii artery

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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
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