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Human Body Lab > Chapter 20 > Flashcards

Chapter 20 Flashcards

1
Q

pectoralis major

A

moves the brachium

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2
Q

brachium

A

top half of arm

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3
Q

pectoralis minor

A

moves the pectoral girdle

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4
Q

serratus anterior

A

moves the pectoral girdle

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5
Q

deltoid

A

moves the brachium

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6
Q

anterior chest and shoulder muscles

A

pec major
pec minor
serratus anterior
deltoid

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7
Q

anterior brachium

A

biceps brachii
brachialis
brachioradialis

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8
Q

biceps brachii

A

flexes the forearm and supinates the hand

has two heads

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9
Q

brachialis

A

flexes the forearm

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10
Q

brachioradialis

A

flexes the forearm

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11
Q

anterior antebrachium muscles

A 
pronator teres
palmaris longus
flexor carpi radialis
flexor carpi ulnaris
flexor digitorum superficialis
flexor digitorum profundus
flexor pollicis longus
supinator
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12
Q

pronator teres

A

pronates the hand

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13
Q

palmaris longus

A

flexes the hand

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14
Q

flexor carpi radialis

A

flexes and abducts the hand

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15
Q

flexor carpi ulnaris

A

flexes and adducts the hand

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16
Q

flexor digitorum superficialis

A

flexes the hand and the 2-5 digits

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17
Q

flexor digitorum profundus

A

flexes the hand and the 2-5 digits

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18
Q

flexor pollicis longus

A

flexes the thumb

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19
Q

supinator

A

supinates the hand

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20
Q

trapezius

A

moves the pectoral girdle

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21
Q

rhomboid major

A

moves the pectoral girdle

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22
Q

rhomboid minor

A

moves the pectoral girldle

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23
Q

levator scapulae

A

moves the pectoral girdle

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24
Q

latissimus dorsi

A

moves the brachium

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25
Q

supraspinatus (rotator cuff muscle)

A

reinforces the glenohumeral joint

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26
Q

infraspinatus (rotator cuff muscle)

A

reinforces the glenohumeral joint

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27
Q

subscapularis (rotator cuff muscle)

A

reinforces the glenohumeral joint

28
Q

teres major

A

moves the brachium

29
Q

teres minor (rotator cuff muscle)

A

reinforces the glenohumeral joint

30
Q

triceps brachii

A

extends the forearm

has 3 heads

31
Q

what is the only muscle on the posterior brachium?

A

triceps brachii

32
Q

extensor carpi radialis longus

A

extends and abducts the hand

33
Q

extensor carpi radialis brevis

A

extends and abducts the hand

34
Q

extensor digitorum

A

extends the hand and the 2-5 digits

35
Q

extensor carpi ulnaris

A

extends and adducts the hand

36
Q

extensor pollicis longus

A

extends the thumb

37
Q

what does longus mean?

A

longer tendon

38
Q

what does brevis mean?

A

shorter tendon

39
Q

____ is the major function of the upper limb.

A

prehension

40
Q

the name of the deltoid muscle tells you its _____.

A

shape

41
Q

what is the anatomical word for arm?

A

brachium

42
Q

what is the common name for the pollex?

A

thumb

43
Q

what does the extensor digitorum muscle move?

A

the fingers (digits)

44
Q

all upper limbs are ____.

A

paired

45
Q

all upper limb bones are bound to the axial skeleton by the _______ ______ which is composed of four bones. two clavicles and two scapulas.

A

pectoral girdle

46
Q

the pectoral girdle is composed of four bones. what are they?

A

two clavicles and two scapulas

47
Q

clavicle

A

acts as a strut that keeps the upper limb lateral , thereby letting the limb swing free of the trunk

48
Q

which bone is somewhat triangular in shape?

A

scapula

49
Q

arm bone

A

humerus

50
Q

lateral forearm bone

A

radius

51
Q

medial forearm bone

A

ulna

52
Q

8 bones in the proximal part of the hand

A

carpals

53
Q

5 bones in the palm

A

metacarpals

54
Q

14 bones in the digits

A

phalanges

55
Q

the glenoid cavity faces ___

A

laterally

56
Q

the spine of the scapula is ____

A

posterior

57
Q

true or false: the bones of the pectoral girdle are parts of the axial skeleton

A

false

58
Q

the trochlea is ____ to the capitulum

A

medial

59
Q

the greater tubercle is ______ lateral to the lesser tubercle

A

lateral

60
Q

the humeral head faces

A

medial

61
Q

the anterior surface of the distal end of the radius is _____ relative to the posterior surface

A

concave

62
Q

the radial notch is found on the _____

A

ulna

63
Q

which two bones articulate with the radius

A

scaphoid and lunate

64
Q

using their functions, predict whether the carpi muscles attach to the phalanges or metacarpals

A

metacarpals

65
Q

the _______ attach to the scapula

A

serratus anterior

66
Q

what are the rotator cuff muslces?

A

infraspinatus
supraspinatus
subscapularis
teres minor

Human Body Lab (55 decks)

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