muscles

Question 1

raise eyebrows, wrinkle forehead

Answer 1

frontalis

Question 2

pulls scalp posteriorly

Answer 2

occipitalis

Question 3

close eyes, wink, squint, blink

Answer 3

occularis oculi

Question 4

protrude lips, open and close mouth

Answer 4

occularis oris

Question 5

chewing muscle

Answer 5

buccinator

Question 6

smiling muscle

Answer 6

zygomaticus

Question 7

closes mouth by pulling jaw up

Answer 7

masseter

Question 8

synergist to the masseter

Answer 8

temporalis

Question 9

neck muscle, lets you frown

Answer 9

platysma

Question 10

neck muscle, lets you bow your head

Answer 10

sternocleidomastoid

Question 11

covers upper part of the chest, adduct and flex the arm

Answer 11

pectoralis major

Question 12

muscle found between the ribs

Answer 12

intercostal muscles

Question 13

lifts the ribs, letting lungs expand when inhaling

Answer 13

external intercostal muscles

Question 14

decompresses the ribs, useful when forcefully exhaling

Answer 14

internal intercostal muscles

Question 15

flex the vertebral column, helps you to push when defecating or giving birth

Answer 15

rectus abdominis

Question 16

makes up the lateral walls of the abdomen, flex the vertebral column and rotate the trunk and bend it laterally

Answer 16

external obliques

Question 17

same function as external obliques, but at right angle and deeper

Answer 17

internal obliques

Question 18

compresses the abdominal contents, deepest muscle of the abdominal wall

Answer 18

transversus abdominis

Question 19

most superficial muscles of the posterior neck and upper trunk, extends the head, elevate, depress, adduct, and stabilize the scapula

Answer 19

trapezius

Question 20

extends and adducts the humerus, when arm must be brought down e.g. swimming, striking a blow

Answer 20

latissimus dorsi

Question 21

prime mover of back extension, provide resistance that helps control the action of bending over at the waist

Answer 21

erector spinae

Question 22

flexes the spine laterally, extends the lumbar spine

Answer 22

quadratus lumborum

Question 23

favorite injection site for medications less than 5 mL, prime movers of arm abduction

Answer 23

deltoid

Question 24

powerful prime mover for flexion of forearm, spuniates the forearm

Answer 24

biceps brachii

Question 25

prime mover of elbow flexion, lifts the ulna

Answer 25

brachialis

Question 26

fairly weak, resides mainly in the forearm

Answer 26

brachioradialis

Question 27

only muscle of the posterior humerus, antagonist of biceps and brachialis, straightens the arm

Answer 27

triceps brachii

Question 28

powerful hip extensor, brings the thigh in a straight line with pelvis, most important muscle for extending the hip when needing power

Answer 28

gluteus maximus

Question 29

beneath gluteus maximus, hip abductor, steadies the pelvis during walking, intramuscular injection for medications more than 5 mL

Answer 29

gluteus medius

Question 30

fused muscle composed of iliacus and psoas major, prime mover of hip flexion, keeps upper body from falling backward when standing erect

Answer 30

iliopsoas

Question 31

adducts or presses the thighs together

Answer 31

adductor muscles

Question 32

biceps femoris, semimmbranosus, and semitendinosus - primve movers of thigh extension and knee flexion

Answer 32

hamstring group

Question 33

most superficial muscle of thigh, weak thigh flexor, talior’s muscle

Answer 33

sartorius

Question 34

rectus femoris, three vastus muscles, extends the knee powerfully

Answer 34

quadriceps group

Question 35

quadriceps group muscle that helps to flex the hip

Answer 35

rectus femoris

Question 36

quadriceps group muscles that are sometimes used as intramuscular injection sites, particularly in infants

Answer 36

rectus femoris and vatus lateralis

Question 37

acts to dorsiflex and invert the foot

Answer 37

tibiallis anterior

Question 38

prime mover of toe extension

Answer 38

extensor digitorum longus

Question 39

longus, brevis, and tertius, plantar flexes and everts the foot

Answer 39

fibularis muscles

Question 40

curved calf of the posterior leg, prime mover for plantar flexion of the foot, toe dancer’s muscle

Answer 40

gastrocnemius

Question 41

strong plantar flexor of foot, deep to gastrocnemius

Answer 41

soleus