Chapter 20

Question 1

pectoralis major

Answer 1

moves the brachium

Question 2

brachium

Answer 2

top half of arm

Question 3

pectoralis minor

Answer 3

moves the pectoral girdle

Question 4

serratus anterior

Answer 4

moves the pectoral girdle

Question 5

deltoid

Answer 5

moves the brachium

Question 6

anterior chest and shoulder muscles

Answer 6

pec major
pec minor
serratus anterior
deltoid

Question 7

anterior brachium

Answer 7

biceps brachii
brachialis
brachioradialis

Question 8

biceps brachii

Answer 8

flexes the forearm and supinates the hand

has two heads

Question 9

brachialis

Answer 9

flexes the forearm

Question 10

brachioradialis

Answer 10

flexes the forearm

Question 11

anterior antebrachium muscles

Answer 11

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

Question 12

pronator teres

Answer 12

pronates the hand

Question 13

palmaris longus

Answer 13

flexes the hand

Question 14

flexor carpi radialis

Answer 14

flexes and abducts the hand

Question 15

flexor carpi ulnaris

Answer 15

flexes and adducts the hand

Question 16

flexor digitorum superficialis

Answer 16

flexes the hand and the 2-5 digits

Question 17

flexor digitorum profundus

Answer 17

flexes the hand and the 2-5 digits

Question 18

flexor pollicis longus

Answer 18

flexes the thumb

Question 19

supinator

Answer 19

supinates the hand

Question 20

trapezius

Answer 20

moves the pectoral girdle

Question 21

rhomboid major

Answer 21

moves the pectoral girdle

Question 22

rhomboid minor

Answer 22

moves the pectoral girldle

Question 23

levator scapulae

Answer 23

moves the pectoral girdle

Question 24

latissimus dorsi

Answer 24

moves the brachium

Question 25

supraspinatus (rotator cuff muscle)

Answer 25

reinforces the glenohumeral joint

Question 26

infraspinatus (rotator cuff muscle)

Answer 26

reinforces the glenohumeral joint

Question 27

subscapularis (rotator cuff muscle)

Answer 27

reinforces the glenohumeral joint

Question 28

teres major

Answer 28

moves the brachium

Question 29

teres minor (rotator cuff muscle)

Answer 29

reinforces the glenohumeral joint

Question 30

triceps brachii

Answer 30

extends the forearm

has 3 heads

Question 31

what is the only muscle on the posterior brachium?

Answer 31

triceps brachii

Question 32

extensor carpi radialis longus

Answer 32

extends and abducts the hand

Question 33

extensor carpi radialis brevis

Answer 33

extends and abducts the hand

Question 34

extensor digitorum

Answer 34

extends the hand and the 2-5 digits

Question 35

extensor carpi ulnaris

Answer 35

extends and adducts the hand

Question 36

extensor pollicis longus

Answer 36

extends the thumb

Question 37

what does longus mean?

Answer 37

longer tendon

Question 38

what does brevis mean?

Answer 38

shorter tendon

Question 39

____ is the major function of the upper limb.

Answer 39

prehension

Question 40

the name of the deltoid muscle tells you its _____.

Answer 40

shape

Question 41

what is the anatomical word for arm?

Answer 41

brachium

Question 42

what is the common name for the pollex?

Answer 42

thumb

Question 43

what does the extensor digitorum muscle move?

Answer 43

the fingers (digits)

Question 44

all upper limbs are ____.

Answer 44

paired

Question 45

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

Answer 45

pectoral girdle

Question 46

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

Answer 46

two clavicles and two scapulas

Question 47

clavicle

Answer 47

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

Question 48

which bone is somewhat triangular in shape?

Answer 48

scapula

Question 49

arm bone

Answer 49

humerus

Question 50

lateral forearm bone

Answer 50

radius

Question 51

medial forearm bone

Answer 51

ulna

Question 52

8 bones in the proximal part of the hand

Answer 52

carpals

Question 53

5 bones in the palm

Answer 53

metacarpals

Question 54

14 bones in the digits

Answer 54

phalanges

Question 55

the glenoid cavity faces ___

Answer 55

laterally

Question 56

the spine of the scapula is ____

Answer 56

posterior

Question 57

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

Answer 57

false

Question 58

the trochlea is ____ to the capitulum

Answer 58

medial

Question 59

the greater tubercle is ______ lateral to the lesser tubercle

Answer 59

lateral

Question 60

the humeral head faces

Answer 60

medial

Question 61

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

Answer 61

concave

Question 62

the radial notch is found on the _____

Answer 62

ulna

Question 63

which two bones articulate with the radius

Answer 63

scaphoid and lunate

Question 64

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

Answer 64

metacarpals

Question 65

the _______ attach to the scapula

Answer 65

serratus anterior

Question 66

what are the rotator cuff muslces?

Answer 66

infraspinatus
supraspinatus
subscapularis
teres minor