lab quiz #2: muscles

Question 1

flexion

Answer 1

decrease angle of a joint

Question 2

extension

Answer 2

increase angle of a joint

Question 3

abduction

Answer 3

taking away from body

Question 3

adduction

Answer 3

moving towards body

Question 4

circumduction

Answer 4

rotate in a circle

Question 5

medial rotation

Answer 5

rotate body part inward

Question 6

lateral rotation

Answer 6

rotate body part outward

Question 7

elevation

Answer 7

lifting a body part superiorly

Question 8

depression

Answer 8

lowering a body part inferiorly

Question 9

protraction

Answer 9

move anteriorly (forward)

Question 10

retraction

Answer 10

move posteriorly (backward)

Question 11

pronation

Answer 11

rotate forearm so palms face posteriorly

Question 12

supination

Answer 12

rotate forearm so palms face anteriorly

Question 13

inversion

Answer 13

turning sole of foot medially

Question 14

eversion

Answer 14

turning sole of foot laterally

Question 15

dorsiflexion

Answer 15

lifting foot so toes are in the air (e.g. wet toe nails)

Question 16

plantar flexion

Answer 16

raising the heel of your foot but toes are still on the ground (e.g. tippy toes)

Question 17

orbicularis oculi

Answer 17

closes eyes

Question 18

orbicularis oris

Answer 18

puckers lips

Question 19

masseter

Answer 19

elevates mandible to close jaw

Question 20

temporalis

Answer 20

elevates mandible to close jaw

Question 21

sternocleidomastoid

Answer 21

flexion of neck; lateral flexion

Question 22

pectoralis major

Answer 22

flexion, adduction, & medial rotation @ shoulder

Question 23

deltoid

Answer 23

abduction, flexion, extension @ shoulder

Question 24

levator scapulae

Answer 24

elevates the scapula

Question 25

trapezius

Answer 25

retraction of scapula

Question 26

latissimus dorsi

Answer 26

extension, adduction, & medial rotation @ shoulder

Question 27

supraspinatus

Answer 27

abduction @ shoulder

Question 28

infraspinatus

Answer 28

lateral rotation @ shoulder

Question 29

teres minor

Answer 29

lateral rotation @ shoulder

Question 30

subscapularis

Answer 30

medial rotation @ shoulder

Question 31

teres major

Answer 31

medial rotation @ shoulder; assists w. shoulder adduction

Question 32

rhomboid major

Answer 32

retraction of scapula

Question 33

rectus abdominis

Answer 33

flexion @ vertebral column

Question 34

external oblique abdominis

Answer 34

flexion & rotation @ vertebral column; compress abs

Question 35

internal oblique abdominis

Answer 35

flexion & rotation @ vertebral column; compress abs

Question 36

erector spinae

Answer 36

extension @ vertebral column

Question 37

external intercostals

Answer 37

elevation (for inhalation)

Question 38

internal intercostals

Answer 38

depression (for exhalation)

Question 39

diaphragm

Answer 39

flattens for inhalation

Question 40

triceps brachii

Answer 40

extension @ elbow & shoulder

Question 41

biceps brachii

Answer 41

flexion @ elbow, supination

Question 42

brachioradialis

Answer 42

flexion @ elbow

Question 43

pronator teres

Answer 43

pronation @ proximal radio-ulnar joint

Question 44

flexor carpi radialis

Answer 44

flexion & aBduction @ wrist

Question 45

flexor carpi ulnaris

Answer 45

flexion & aDduction @ wrist

Question 46

flexor digitorum superficialis

Answer 46

flexion @ finger/wrist joints

Question 47

extensor digitorum

Answer 47

extension @ finger/wrist joints

Question 48

supinator

Answer 48

supination @ proximal radio-ulnar joint

Question 49

psoas major

Answer 49

flexion @ hip

Question 50

iliacus

Answer 50

flexion @ hip

Question 51

gluteus maximus

Answer 51

extension & lateral rotation @ hip

Question 52

gluteus medius

Answer 52

abduction @ hip

Question 53

sartorius

Answer 53

flexion & lateral rotation @ hip

Question 54

rectus femoris

Answer 54

extension @ knee; flexion @ hip

Question 55

vastus lateralis

Answer 55

extension @ knee

Question 56

vastus medialis

Answer 56

extension @ knee

Question 57

vastus intermedius

Answer 57

extension @ knee

Question 58

biceps femoris

Answer 58

flexion @ knee; extension @ hip

Question 59

semitendnosus

Answer 59

flexion @ knee; extension @ hip

Question 60

semimembranosus

Answer 60

flexion @ knee; extension @ hip

Question 61

gracilis

Answer 61

adduction @ hip

Question 62

tibialis anterior

Answer 62

dorsiflexion & inversion of ankle & foot

Question 63

extensor digitorum longus

Answer 63

extension of digits; dorsiflexion @ ankle

Question 64

gastrocnemius

Answer 64

plantar flexion @ ankle

Question 65

soleus

Answer 65

plantar flexion @ ankle

Question 66

what are the four rotator cuff muscles?

Answer 66

supraspinatus infraspinatus teres minor subscapularis

Question 67

what four muscles make up your quads?

Answer 67

rectus femoris vastus lateralis vastus medialis vastus intermedius

Question 68

what three muscles make up your hamstrings?

Answer 68

biceps femoris semitendonosus semimembranosus

Question 69

what two activities includes your masseter and temporalis muscles?

Answer 69

mastication (chewing) & talking