MSK 2 - Axilla, BP, Anterior Arm

Question 1

What does the axilla contain?

Answer 1

• fat and lymph nodes
• brachial plexus
• axillary artery
• axillary vein

Question 2

Clinical significance of axillary lymph nodes?

Answer 2

breast cancer can spread to them

Question 3

Anterior border of axilla

Answer 3

pec major and pec minor

Question 4

Which nerve of the brachial plexus leaves via triangular interval?

Answer 4

radial nerve - C5-T1

Question 5

Which nerve exits via the quadrangular space?

Answer 5

axillary nerve - C5-C6

Question 6

Innervation of forearm?

Answer 6

median nerve

Question 7

Innervation of deltoid and teres minor?

Answer 7

axillary nerve

Question 8

Muscles in anterior arm

Answer 8

• biceps brachii
• brachialis
• coracobrachialis

Question 9

Heads of biceps brachii attach to where?

Answer 9

• long head: humerus

- short head: coracoid process

Question 10

Nerve supply of anterior arm

Answer 10

musculocutaneous

Question 11

Action of biceps brachii

Answer 11

• supination of forearm

- flexion at elbow

Question 12

Which muscles flex the elbow?

Answer 12

• BBC (ALL ANTERIOR ARM MUSCLES)

Question 13

Whats found in the posterior compartment of the arm? What does it do?

Answer 13

triceps brachii

- extension of arm at elbow

Question 14

Nerve supply of posterior compartment of arm

Answer 14

radial nerve - C5-T1

Question 15

What does the cubital fossa contain?

Answer 15

• median nerve
• radial nerve
• brachial artery
• biceps tendon