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Musculoskeletal System > The Arm > Flashcards

Flashcards in The Arm Deck (13)
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1
Q

What nerve innervates the anterior compartment of the arm?

A

-Musculocutaneous nerve (from lateral cord C5, C6 and C7)

2
Q

What muscles are in the posterior compartment of the arm?

A

-Triceps brachii

3
Q

What is the function of triceps brachii?

A

-Extension of forearm

4
Q

What nerve innervates triceps brachii?

A

-Radial nerve

5
Q

What is the function of coracobrachialis?

A
  • Flexion of arm at shoulder

- Adduction

6
Q

What artery supplies coracobrachialis?

A

-Brachial artery

7
Q

What is the function of brachialis?

A

-Flexion of the forearm

8
Q

What artery serves brachialis?

A
  • Brachial

- Radial recurrent

9
Q

What is the function of biceps brachii?

A
  • Supination

- Flexion of forearm

10
Q

What artery supplies biceps brachii?

A

-Brachial

11
Q

What are the three heads of triceps brachii?

A
  • Triceps medius
  • Triceps lateral head
  • Triceps long head
12
Q

What artery supplies triceps brachii?

A

-Deep brachial (Profunda brachii)

13
Q

What are the muscles in the anterior compartment of the arm?

A
  • Coracobrachialis
  • Biceps brachii
  • Brachialis