Muscles

Question 1

anterior compartment of arm

Answer 1

Biceps brachii, brachialis, coracobrachialis.
They flex the arm and forearm and supinate the hand.
Innervated by the musculocutaneous nerve.
Supplied by brachial artery

Question 2

posterior compartment of arm

Answer 2

Triceps brachii
Extend the forearm.
Innervated by the radial nerve.
Supplied by the deep brachial artery.

Question 3

anterior compartment of forearm

Answer 3

Pronator teres, flexor carpi radialis, flexor carpi ulnaris, palmaris longus, flexor digitorum superficialis, flexor digitorum profundus, pronator quadratus.
Flex the wrist and digits, pronate the hand, flex the thumb, and adduct/abduct the hand.
Innervated by the median nerve, except flexor carpi ulnaris and the ulnar/medial half of the flexor digitorum profundus, which are ulnar nerve.
Supplied by radial and ulnar arteries

Question 4

posterior compartment of forearme

Answer 4

Extensor carpi ulnaris, extensor carpi radialis longus, extensor carpi radialis brevis, extensor digitorum, extensor indicis, abductor pollicis longus, extensor pollicis longus, extensor pollicis brevis, supinator, brachioradials.
Extend the wrist and digits, supinate the hand and extend and abduct the thumb.
Innervated by radial nerve.
Supplied by radial and ulnar arteries

Question 5

superficial intrinsic hand muscles

Answer 5

3 thenar pad muscles, 3 hypothenar pad muscles, lumbricals, and adductor pollicis

Question 6

lateral 2 lumbricals (1-2)

Answer 6

superficial hand muscle; flex MP joint and extend IP joints. median nerve

Question 7

Medial 2 lumbricals (3-4)

Answer 7

superficial hand muscle; flex MP joint and extend IP joints. Ulnar nerve

Question 8

abductor pollicis brevis

Answer 8

superficial hand muscle in thenar pad; abducts thumb. Median nerve

Question 9

Flexor pollicis brevis

Answer 9

superficial hand muscle in thenar pad; flexes thumb. Median nerve innveration

Question 10

Opponens pollicis brevis

Answer 10

superficial hand muscle in thenar pad; opposes thumb. Median nerve innervation

Question 11

Abductor digiti minimi

Answer 11

superficial hand muscle in hypothenar pad; abducts little finger. Ulnar nerve

Question 12

flexor digiti minimi

Answer 12

superficial hand muscle in hypothenar pad; flexes little finger. Ulnar nerve

Question 13

opponens digiti minimi

Answer 13

superficial hand muscle in hypothenar pad; opposes little finger. Ulnar nerve

Question 14

adductor pollicis

Answer 14

superficial hand muscle; adducts thumb. Ulnar nerve

Question 15

Palmar interossei

Answer 15

deep hand muscle. Adducts fingers (PADs), flexes MP and extends IP joints. Ulnar nerve

Question 16

Dorsal

Answer 16

deep hand muscle. Abducts fingers (DABs), flexes MP and extends IP joints. Ulnar nerve