Axilla and Arm

Question 1

Anconeus attachments

Answer 1

From… lateral epicondyle of humerus
to… lateral surface of the olecranon process

Question 2

Anconeus actions

Answer 2

Extension of elbow

Question 3

Anconeus innervation

Answer 3

Radial nerve (C7-8)

Question 4

Biceps brachii attachments

Answer 4

From… coracoid process (short head) and supraglenoid tubercle (long head) of scapula
to… the radial tuberosity and the deep antebrachial fascia (through the bicipital aponeurosis)

Question 5

Biceps brachii actions

Answer 5

Flexion of the shoulder and elbow, and supination of the forearm

Question 6

Biceps brachii innervation

Answer 6

Musculocutaneous nerve (C5-6)

Question 7

Brachialis attachments

Answer 7

From… the distal anterior shaft of the humerus and lateral/medial intermuscular septa
to… the coronoid process and ulnar tuberosity

Question 8

Brachialis actions

Answer 8

Flexion of the elbow

Question 9

Brachialis innervation

Answer 9

Musculocutaneous and small branch from radial nerve (C5-6)

Question 10

Coracobrachialis attachments

Answer 10

From… the coracoid process
to… the proximal medial shaft of the humerus

Question 11

Coracobrachialis actions

Answer 11

Flexion and adductions of the shoulder

Question 12

Coracobrachialis innervation

Answer 12

Musculocutaneous nerve (C6-7)

Question 13

Triceps Brachii attachments

Answer 13

From… the infraglenoid tubercle of the scapula (long head), and proximal posterolateral (lateral head) and distal posteromedial (medial head) shaft of the humerus
to… the olecranon process of the ulna

Question 14

Triceps Brachii actions

Answer 14

Extension of the shoulder (long head) and extension of the elbow (long, lateral and medial heads)

Question 15

Triceps Brachii innervation

Answer 15

Radial nerve (C6-T1)

Question 16

Nerves with postganglionic sympathetic axon function

Answer 16

All 16 primary nerve branches

Question 17

Nerves with Sensory axon function

Answer 17

All 16 primary nerve branches EXCEPT Dorsal Scapular

Question 18

Nerves with Motor axon function

Answer 18

Not cutaneous nerve branches