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
supraspinatus (rotator cuff muscle)
reinforces the glenohumeral joint
26
infraspinatus (rotator cuff muscle)
reinforces the glenohumeral joint
27
subscapularis (rotator cuff muscle)
reinforces the glenohumeral joint
28
teres major
moves the brachium
29
teres minor (rotator cuff muscle)
reinforces the glenohumeral joint
30
triceps brachii
extends the forearm | has 3 heads
31
what is the only muscle on the posterior brachium?
triceps brachii
32
extensor carpi radialis longus
extends and abducts the hand
33
extensor carpi radialis brevis
extends and abducts the hand
34
extensor digitorum
extends the hand and the 2-5 digits
35
extensor carpi ulnaris
extends and adducts the hand
36
extensor pollicis longus
extends the thumb
37
what does longus mean?
longer tendon
38
what does brevis mean?
shorter tendon
39
____ is the major function of the upper limb.
prehension
40
the name of the deltoid muscle tells you its _____.
shape
41
what is the anatomical word for arm?
brachium
42
what is the common name for the pollex?
thumb
43
what does the extensor digitorum muscle move?
the fingers (digits)
44
all upper limbs are ____.
paired
45
all upper limb bones are bound to the axial skeleton by the _______ ______ which is composed of four bones. two clavicles and two scapulas.
pectoral girdle
46
the pectoral girdle is composed of four bones. what are they?
two clavicles and two scapulas
47
clavicle
acts as a strut that keeps the upper limb lateral , thereby letting the limb swing free of the trunk
48
which bone is somewhat triangular in shape?
scapula
49
arm bone
humerus
50
lateral forearm bone
radius
51
medial forearm bone
ulna
52
8 bones in the proximal part of the hand
carpals
53
5 bones in the palm
metacarpals
54
14 bones in the digits
phalanges
55
the glenoid cavity faces ___
laterally
56
the spine of the scapula is ____
posterior
57
true or false: the bones of the pectoral girdle are parts of the axial skeleton
false
58
the trochlea is ____ to the capitulum
medial
59
the greater tubercle is ______ lateral to the lesser tubercle
lateral
60
the humeral head faces
medial
61
the anterior surface of the distal end of the radius is _____ relative to the posterior surface
concave
62
the radial notch is found on the _____
ulna
63
which two bones articulate with the radius
scaphoid and lunate
64
using their functions, predict whether the carpi muscles attach to the phalanges or metacarpals
metacarpals
65
the _______ attach to the scapula
serratus anterior
66
what are the rotator cuff muslces?
infraspinatus supraspinatus subscapularis teres minor