Lecture 7 - Arm

Question 1

What is the superficial muscle of the anterior arm

Answer 1

Biceps Brachii

Question 2

Label the missing parts of the diagram

Answer 2

Question 3

Label the missing parts of the diagram (attachments important)

Answer 3

Question 4

What are the 2 deep muscles of the anterior arm

Answer 4

1. Coracobrachialis
2. Brachialis

Question 5

Label the missing parts of the diagram (attachments important)

Answer 5

Question 6

What are the 3 actions of the biceps brachii?

Answer 6

1. Arm flexion (at shoulder joint)
2. Forearm flexion (at elbow joint)
3. Forearm Supination

Question 7

What are the 2 actions of the coracobrachialis?

Answer 7

1. Arm adduction
2. Arm flexion (at shoulder joint)

Question 8

What is the action of the brachialis?

Answer 8

Forearm Flexion (at elbow joint)

Question 9

What nerve innervates the coracobrachialis, biceps brachii and brachialis?

Answer 9

Musculocutaneous nerve

Question 10

Name the muscle of the posterior arm

Answer 10

Triceps Brachii

Question 11

Label the missing parts

Answer 11

Question 12

What are the 3 actions of the triceps brachii

Answer 12

1. Arm extension (at shoulder joint)
2. Arm adduction
3. Forearm extension (at elbow joint)

Question 13

What nerve innervates the triceps brachii?

Answer 13

Radial Nerve

Question 14

Where does the long head of the triceps brachii attach

Answer 14

Infraglenoid tubercle

Question 15

Where does the triceps brachii attach to on the elbow joint?

Answer 15

Olecranon process

Question 16

What 3 muscles attach to the coracoid process?

Answer 16

1. Pectoralis Minor
2. Coracobrachialis
3. Biceps Brachii

Question 17

Where does the brachialis attach to?

Answer 17

ulna tuberosity and coronoid process

Question 18

Where does the biceps brachii attach to anterior and posterior?

Answer 18

Anterior: Coracoid Process and Supraglenoid tubercle
Posterior: Radial tuberosity and bicipital aponeurosis

Question 19

Label the missing nerves of the diagram

Answer 19

Question 20

Which 2 terminal branches innervate the arm

Answer 20

1. Musculocutaneous Nerve
2. Radial Nerve

Question 21

Function of the brachial artery

Answer 21

Provides blood to the arm

Question 22

Where did the brachial artery come from?

Answer 22

The subclavian and then the axillary artery

Question 23

Label the missing arteries of the diagram

Answer 23

Question 24

What are the stars in the diagram called and their function

Answer 24

Anastomoses: Combining of 2 arteries

Question 25

Label the landmarks of this diagram to find arteries and nerves

Answer 25

Question 26

What artery travels through the triangular space

Answer 26

Circumflex scapular artery

Question 27

What artery and nerve travels through the quadrangular space

Answer 27

1) Post circumflex humeral artery
2) Axillary Nerve

Question 28

What nerve and artery travels through the triangular interval?

Answer 28

1) Radial nerve
2) Profunda brachii artery

Question 29

Label the missing arteries of the diagram

Answer 29

Question 30

Label the missing arteries of the diagram

Answer 30

Question 31

T or F: the anterior interosseous nerve is a branch of the ulnar artery

Answer 31

F

Question 32

T or F: The anterior interosseous nerve is not a branch of the median nerve

Answer 32

T

Question 33

What digits are most affected if the radial artery is compromised

Answer 33

Thumb and index finger

Question 34

What arch is associated with the ulnar artery

Answer 34

Superficial Palmar Arch