Muscles of the Upper Limb - Arm and Cubital Fossa

Question 1

What is the innervation of muscle A?

Answer 1

Musculocutaneous nerve (C5, C6, C7)

A - Coracobrachialis

Question 2

Name muscles A, B and C

Answer 2

A - Long head of triceps brachii

B - Lateral head of triceps brachii

C - Medial head of triceps brachii

Question 3

Name vessels A, B and C

Answer 3

A - Cephalic vein

B - Basilic vein

C - Medial cubital vein

Question 4

What is the function of muscle A?

Answer 4

Flexion of arm at glenohumeral joint

A - Coracobrachialis

Question 5

Name nerves A, B and C

Answer 5

A - Median nerve

B - Ulnar nerve

C - Musculocutaneous nerve

Question 6

Name muscle A

Answer 6

A - Coracobrachialis

Question 7

Name nerves A and B

Answer 7

A - Lateral cutaneous nerve of forearm

B - Medial cutaneous nerve of forearm

Question 8

What is the function of muscle A?

Answer 8

Flexion of forearm at elbow joint

A - Brachialis

Question 9

What is the innervation of muscle A?

Answer 9

Musculocutaneous nerve (C5, C6)

A - Biceps brachii

Question 10

Name muscle A

Answer 10

A - Brachialis

Question 11

Name nerve A

Answer 11

A - Ulnar nerve

Question 12

Name muscle A

Answer 12

A - Biceps brachii

Question 13

Name line A and muscles B and C

Answer 13

A - Line between medial and lateral epicondyles

B - Brachioradialis

C - Pronator teres

Question 14

What is the function of muscle A?

Answer 14

1. Flexion at elbow joint
2. Supinator of forearm
3. Accessory flexion of arm at glenohumeral joint

A - Biceps brachii

Question 15

Name muscles A, B and C

Answer 15

A - Biceps brachii

B - Coracobrachialis

C - Triceps brachii

Question 16

Name nerve A

Answer 16

A - Musculocutaneous nerve

Question 17

Name muscle A

Answer 17

A - Coracobrachialis

Question 18

Name nerve A

Answer 18

A - Radial nerve

Question 19

What is the innervation of muscle A?

Answer 19

Radial nerve (C6, C7, C8)

A - Triceps brachii

Question 20

Name area A

Answer 20

A - Cubital fossa

Question 21

What is the function of muscle A?

Answer 21

1. Extension of forearm at elbow joint
2. Extension of arm at shoulder joint (long head)
3. Adduction of arm at shoulder joint (long head)

A - Triceps brachii

Question 22

What is the innervation of muscle A?

Answer 22

Musculocutaneous nerve (C5, C6)

(small contribution by radial nerve in lateral aspect of muscle)

A - Brachialis