Anterior Arm

Question 1

Corocoid brachialis origin/insertion

Answer 1

Corocoid process to middle third of medial humerus

Question 2

Coracobrachialis action

Answer 2

Flex arm
Adduct arm
Horizontally adduct arm

Question 3

Coracobrachialis nerve

Answer 3

Musculocutaneous

Question 4

Coracobrachialis blood supply

Answer 4

Brachial artery

Question 5

Subscapularis origin and insertion

Answer 5

Subscapular fossa to lesser tubercle of humerus

Question 6

Subscapular action

Answer 6

Medial rotation

Question 7

Subscapularis nerve

Answer 7

Upper and lower subscapular

Question 8

Subscapularis blood supply

Answer 8

Subscapular artery

Question 9

Serratus anterior origin and insertion

Answer 9

Anterolateral upper 8 ribs to anterior vertebral border of scapula

Question 10

Serratus anterior action

Answer 10

Abduct scapula
Upwardly rotate scapula
Stabilize from “winging”

Question 11

Serratus anterior nerve

Answer 11

Long thoracic

Question 12

Serratus anterior blood supply

Answer 12

Lateral thoracic artery

Question 13

Biceps brachii origin and insertion

Answer 13

Short head: tip of corocoid process
Long head: supraglenoid tubercle
Insertion: radial tuberosity and forearm fascia(bicipital aponeurosis)

Question 14

Biceps brachii action

Answer 14

Supinate forearm
Flex forearm
Flex arm

Question 15

Biceps brachii nerve

Answer 15

Musculocutaneous nerve

Question 16

Biceps brachii blood supply

Answer 16

Brachial A.

Question 17

Brachialis origin and insertion

Answer 17

Distal half of anterior humerus to coronoid process and ulna tuberosity

Question 18

Brachialis action

Answer 18

Flex forearm

Question 19

Brachialis nerve

Answer 19

musculocutaneous

Radial

Question 20

Brachialis blood supply

Answer 20

Brachial A.