Muscles, Joints

Question 1

Joint angle decreases, except for knee and foot

Answer 1

Flexion

Question 2

Joint angle increases, except for knee and foot

Answer 2

Extension

Question 3

Toes up

Answer 3

dorsiflexion

Question 4

toes down

Answer 4

plantar flexion

Question 5

body part moves toward midline

Answer 5

adduction

Question 6

body part moves away from midline

Answer 6

abduction

Question 7

body part moves around own axis

Answer 7

rotation

Question 8

body moves so that cone shape is outlined

Answer 8

circumduction

Question 9

palms face forward

Answer 9

supination

Question 10

palms face posterior

Answer 10

pronation

Question 11

sole of foot moves inward

Answer 11

inversion

Question 12

sole of foot moves outward

Answer 12

eversion

Question 13

raises eyebrows

Answer 13

frontalis

Question 14

closes eye

Answer 14

orbicularis oculi

Question 15

closes and protrudes lips

Answer 15

orbicularis oris

Question 16

compresses cheeks inward (suckling)

Answer 16

buccinator

Question 17

raises corners of mouth

Answer 17

zygomaticus

Question 18

closes jaw

Answer 18

masseter and temporalis

Question 19

flexes and rotates head

Answer 19

sternocleidomastoid

Question 20

extends head, adducts scapula, also depresses scapula

Answer 20

trapezius

Question 21

abducts arm to horizontal, assists biceps and triceps

Answer 21

deltoid

Question 22

flexes and adducts arm, medial rotates the humerus

Answer 22

pectoralis major

Question 23

flexes vertebral column

Answer 23

rectus abdominis

Question 24

tenses abdomen and rotates trunk laterally

Answer 24

external and internal obliques

Question 25

extends and adducts arm

Answer 25

latissumus dorsi

Question 26

flexes and supinates forearm

Answer 26

biceps brachii

Question 27

flexes forearm

Answer 27

brachialis

Question 28

extends forearm, stabilizes elbow joint

Answer 28

triceps brachii

Question 29

moves wrist and hand

Answer 29

flexor carpi and extensor carpi

Question 30

extends thigh

Answer 30

gluteus maximus

Question 31

abducts thigh

Answer 31

gluteus medius

Question 32

extends lower leg

Answer 32

quadriceps femoris

Question 33

flexes lower leg, rotates leg medially, extends thigh

Answer 33

hamstrings

Question 34

plantar flexion and eversion of foot

Answer 34

gastrocnemius

Question 35

dorsiflexion and inversion of foot

Answer 35

tibialis anterior

Question 36

important in breathing

Answer 36

diaphragm, internal and external intercostals

Question 37

death of motor neurons, which control skeletal muscle

Answer 37

ALS

Question 38

autoimmune disease which attacks the motor end plate, this means muscle can't recieve the sisgnal from the motor neuron

Answer 38

myasthenia gravis

Question 39

Affects NM junction, either release of ACH or motor end plate

Answer 39

Botulism toxin

Question 40

Number of heads in bicep

Answer 40

two heads

Question 41

tricep head

Answer 41

three threads

Question 42

quadricep heads

Answer 42

four heads

Question 43

brevis

Answer 43

short

Question 44

longis

Answer 44

long

Question 45

maximus

Answer 45

large

Question 46

minimus

Answer 46

small

Question 47

biceps brachii

Answer 47

arm

Question 48

biceps femoris

Answer 48

femur

Question 49

joint eggs, freely movable

Answer 49

synovial joints

Question 50

articulating surface flat or curve

Answer 50

Plane / gliding joint

Question 51

articular surface of bone is saddle shaped

Answer 51

saddle joint

Question 52

like door hinge, flexion/extension

Answer 52

hinge joint

Question 53

rotates around axis, permits bone to turn from side to side

Answer 53

pivot

Question 54

ball like surface of one bone fits into cuplike depression, rotates

Answer 54

ball and socket

Question 55

convex oval shape projection of one bone fits in oval shaped depression of other bone

Answer 55

ellipsoid/condyloid