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NPLEX I > Anatomy-Myology > Flashcards

Flashcards in Anatomy-Myology Deck (85)
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31

What muscles help with exhalation?

internal intercostals

32

What nerve innervates the diaphragm?

Phrenic nerve

33

What forms the anterior border of the axilla?

Pectorals Major and minor

34

The brachial plexus emerges from which muscles?

anterior and medial scalene

35

What forms the posterior border of the axilla?

subscapularis, teres major, lattisimus dorsi

36

What forms the medial wall of the axilla?

serratus anterior

37

What 3 muscles flex the humerus?

Pectoralis major,
deltoid
coracobrachialis

38

What 3 muscles extend the humerus?

lattisimus dorsi
trees major
deltoid

39

What 3 muscles abduct the humerus?

deltoid
supraspinatous
serratus anterior

40

What 3 muscles adduct the humerus?

pec major
lat dorsi
teres major

41

What 3 muscles laterally rotate the humerus?

infraspinatous, teres minor, deltoid

42

What 3 muscles medially rotate the humerus?

pec major, lat dorsi, teres major, subscapularis

43

What 4 muscles flex the forearm?

biceps, brachialis, brachioradialis, pronator teres

44

What 2 muscles extend the forearm?

triceps, anconeus

45

What 2 muscles pronate the forearm?

pronator teres, pronator quadratus

46

What 2 muscles supinate the forearm?

supinator, biceps

47

What nerve passes over the anatomical snuffbox?

The superficial radial nerve

48

What makes up the anatomical snuffbox (thin SABER)

Scaphoid, ABductor policis longus, Extensor policis longus, Radial artery

49

What innervates the intrinsic muscles of the hand?

ulnar nerve

50

What are the muscles that give us a power grip?

Forearm flexors

51

What nerve innervates the power grip muscles?

Median nerve

52

Wrist drop will occur with damage to which nerve?

radial nerve (to all wrist extensors)

53

Damage to what nerve causes a claw hand deformity?

ulnar nerve due to loss of innervation to the interpose and lumbricals

54

Damage to what nerve causes Papal benediction?

Median nerve

55

What provides the roof of the carpal tunnel?

Flexor retinaculum

56

Do you get any loss of cutaneous sensation with carpal tunnel syndrome?

No, because the ulnar nerve and the cutaneous branch of the medial nerve do not pass through the carpal tunnel

57

What makes up the border of the tunnel of guyon?

Pisiform and hook of the hamate

58

What muscle elevates the testes?

Cremaster

59

The inguinal ligament is the lower free edge of what muscle?

External oblique

60

What muscles of the abdomen attach to the linea alba?

External oblique, internal oblique, transversus abdominus