Arm

Question 1

Coracobrachialis origin and insertion

Answer 1

O: coracoid process
I: Middle humerus

Question 2

Coracobrachialis innervation

Answer 2

Musculocutaneous nerve

Question 3

Coracobrachialis action

Answer 3

Flex and adduct arm

Question 4

Brachialis origin and insertion

Answer 4

O: Distal anterior humerus
I: Ulnar tuberosity

Question 5

Brachialis innervation

Answer 5

Medial - musculocutaneous nerve

Lateral - radial nerve

Question 6

Brachialis action

Answer 6

flex forearm

Question 7

Biceps brachi origin and insertion

Answer 7

Long head origin: supraglenoid tubercle
Long head insertion: radial tuberosity

Short head origin: coracoid process
Short head insertion: radial tuberosity

Question 8

Biceps brachi innervation

Answer 8

musculocutaneous n.

Question 9

Biceps brachi action

Answer 9

supinate and flex forearm

Question 10

Triceps brachi (long head, lateral head, medial head) origin and insertion

Answer 10

Long head origin: infraglenoid tubercle
Long head insertion: olecranon

Lateral head origin: proximal posterior humerus
Lateral head insertion: olecranon

Medial head origin: distal posterior humerus
Medial head insertion: olecranon

Question 11

Triceps brachi innervation

Answer 11

radial n.

Question 12

Triceps brachi action

Answer 12

extends elbow

Question 13

What CN does biceps reflex test

Answer 13

C5

Question 14

What CN does brachoradialis reflex test

Answer 14

C6

Question 15

What CN does triceps reflex test

Answer 15

C7

Question 16

sensory deficit in proximal lateral arm indicates corresponding nerve/root lesion with which nerve?

Answer 16

axillary n. (C5)

Question 17

sensory deficit in inferolateral and posterior arm indicates corresponding nerve/root lesion with which nerve?

Answer 17

radial n. (inferolateral cutaneous n. of arm, posterior cutaneous n. of arm) (C5, C6)

Question 18

sensory deficit at medial arm indicates corresponding nerve/root lesion with which nerve?

Answer 18

medial cutaneous n. of arm (T1)

Question 19

What does the deep artery (profunda brachi) run with?

Answer 19

radial nerve

Question 20

What nerve is entrapped in cubital tunnel syndrome?

Answer 20

ulnar nerve

Question 21

symptoms of cubital tunnel syndrome

Answer 21

numbness and tingling in ulnar distribution

decreased grip strength

Question 22

in lateral epicondylitis (tennis elbow) which tendons are affected?

Answer 22

extensor tendons

Question 23

Medial Ulnar Collateral Ligament Injuries are typically seen in what individuals?

Answer 23

overhead throwing athletes

Question 24

what is Medial Ulnar Collateral Ligament injury

Answer 24

attenuation or rupture of the medial ulnar collateral ligament of the elbow leading to valgus instability