Muscles of the Upper Limb - Arm and Cubital Fossa

Question 1

Name muscles A and B

Answer 1

A - Long head of biceps brachii

B - Short head of biceps brachii

Question 2

Name muscle A

Answer 2

A - Short head of biceps brachii

Question 3

What is the innervation of muscle A?

Answer 3

Musculocutaneous nerve (C5, C6)

A - Biceps brachii

Question 4

Name nerve A

Answer 4

A - Musculocutaneous nerve

Question 5

Name structures A, B and C

Answer 5

A - Coracobrachialis

B - Short head of biceps brachii

C - Long head of biceps brachii

Question 6

Name nerves A and B

Answer 6

A - Lateral cutaneous nerve of forearm

B - Medial cutaneous nerve of forearm

Question 7

Name muscles A, B and C

Answer 7

A - Medial head of triceps brachii

B - Lateral head of triceps brachii

C - Long head of triceps brachii

Question 8

Name muscle A

Answer 8

A - Biceps brachii

Question 9

Name muscle A

Answer 9

A - Coracobrachialis

Question 10

Name nerves A, B and C

Answer 10

A - Median nerve

B - Ulnar nerve

C - Musculocutaneous nerve

Question 11

Name muscles A, B and C

Answer 11

A - Long head of triceps brachii

B - Lateral head of triceps brachii

C - Medial head of triceps brachii

Question 12

Name structures A to F

Answer 12

A - Radial nerve and profunda brachii artery

B - Ulnar nerve

C - Musculocutaneous nerve

D - Median nerve

E - Brachial artery

F - Ulnar nerve

Question 13

Name muscle A

Answer 13

A - Biceps brachii

Question 14

What are the origin and insertion attachment sites for muscle A?

Answer 14

Origin (long head) - Infraglenoid tubercle of scapula

Origin (medial head) - Posterior surface of humerus

Origin (lateral head) - Posterior surface of humerus

Insertion - Olecranon

A - Triceps brachii

Question 15

What is the function of muscle A?

Answer 15

Flexion of arm at glenohumeral joint

A - Coracobrachialis

Question 16

Name muscle A

Answer 16

A - Brachialis

Question 17

Name muscles A, B and C

Answer 17

A - Long head of triceps brachii

B - Medial head of triceps brachii

C - Lateral head of triceps brachii

Question 18

What is the function of muscle A?

Answer 18

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

A - Biceps brachii

Question 19

Name nerve A

Answer 19

A - Radial nerve

Question 20

Name muscle A

Answer 20

A - Triceps brachii

Question 21

What are the origin and insertion attachment sites for muscle A?

Answer 21

Origin - Anterior aspect of humerus (medial and lateral surfaces) and adjacent intermuscular septum

Insertion - Tuberosity of ulna

A - Brachialis

Question 22

Name muscle A

Answer 22

A - Coracobrachialis

Question 23

What is the function of muscle A?

Answer 23

Flexion of forearm at elbow joint

A - Brachialis

Question 24

Name area A

Answer 24

A - Cubital fossa

Question 25

What is the innervation of muscle A?

Answer 25

Musculocutaneous nerve (C5, C6, C7) A - Coracobrachialis

Question 26

Name vessels A, B and C

Answer 26

A - Cephalic vein B - Basilic vein C - Medial cubital vein

Question 27

Name muscle A

Answer 27

A - Brachialis

Question 28

Name muscles A, B and C

Answer 28

A - Biceps brachii B - Coracobrachialis C - Triceps brachii

Question 29

Name cords A, B and C

Answer 29

A - Lateral cord B - Medial cord C - Posterior cord

Question 30

What is the function of muscle A?

Answer 30

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 31

Name line A and muscles B and C

Answer 31

A - Line between medial and lateral epicondyles B - Brachioradialis C - Pronator teres

Question 32

What is the innervation of muscle A?

Answer 32

Radial nerve (C6, C7, C8) A - Triceps brachii

Question 33

What is the innervation of muscle A?

Answer 33

Musculocutaneous nerve (C5, C6) (small contribution by **radial nerve** in lateral aspect of muscle) A - Brachialis

Question 34

What are the origin and insertion attachment sites for muscle A?

Answer 34

Origin (long head) - **Supraglenoid tubercle** of scapula Origin (short head) - Apex of **coracoid process** Insertion - **Radial tuberosity** A - Biceps brachii

Question 35

Name muscles A, B and C

Answer 35

A - Biceps brachii B - Brachialis C - Triceps brachii

Question 36

Name nerve A

Answer 36

A - Ulnar nerve

Question 37

Name muscle A

Answer 37

A - Coracobrachialis

Question 38

Name muscle A

Answer 38

A - Long head of biceps brachii

Question 39

What are the origin and insertion attachment sites for muscle A?

Answer 39

Origin - Apex of **coracoid process** Insertion - Linear roughening on **midshaft of humerus** on medial side A - Coracobrachialis