Gross Anatomy Of Skeletal Muscles

Front 1

head and neck muscles are grouped into: ______ & ______

Back 1

facial and chewing muscles

Front 2

circular muscle of the lips

Back 2

orbicularis oris

Front 3

it closes the mouth and protrudes the lips, often called the "kissing muscle"

Back 3

orbicularis oris

Front 4

allows you to raise your eyebrows, as in surprise and to wrinkle your forehead

Back 4

frontalis

Front 5

allows you to squint, close your eyes and wink

Back 5

orbicularis oris

Front 6

flattens the cheek (as in whistling or blowing a trumpet)

Back 6

buccinator

Front 7

raises the corner of the mouth; "smiling muscle"

Back 7

zygomaticus

Front 8

muscle fibers that run circle around your eyes

Back 8

orbicularis oculi

Front 9

fan-shaped muscle overlying temporal bone, it acts as a synergist of the masseter in closing the jaw

Back 9

temporalis

Front 10

compresses the cheek to hold the food between the teeth during chewing

Back 10

buccinator

Front 11

"prayer muscle"

Back 11

sternocleidomastoid

Front 12

this muscle closes the jaw by elevating the mandible

Back 12

masseter

Front 13

when both sternocleidomastoid contract together the action is: _____

Back 13

flex the neck

Front 14

raise the rib cage for air breathing

Back 14

external intercostals

Front 15

fan-shaped muscle covering the part of the chest

Back 15

pectoralis major

Front 16

it pulls the corner of the mouth inferiorly/downward sag of the mouth

Back 16

platysma

Front 17

when one sternocleidomastoid contracts the action is: _____

Back 17

rotate the head to opposite side

Front 18

forms the wall of the axilla and acts to adduct and flex the arm

Back 18

pectoralis major

Front 19

deep muscles found between the ribs

Back 19

intercostal

Front 20

depress the rib cage, helps to move air out of the lungs

Back 20

internal intercostals

Front 21

paired superficial muscles that make up the lateral walls of the abdomen

Back 21

external oblique

Front 22

most superficial muscles of the abdomen

Back 22

rectus abdominis

Front 23

deepest muscle of the abdominal wall

Back 23

transversus abdominis

Front 24

deep to the external oblique, runs at right angles to those of external oblique

Back 24

internal oblique

Front 25

flex the vertebral column but also they rotate the trunk and bend it laterally

Back 25

external oblique

Front 26

flex the vertebral column, compresses the abdominal contents during defacation and child birth and invloved in forced breathing

Back 26

rectus abdominis

Front 27

compresses the abdominal contents

Back 27

transversus abdominis

Front 28

diamond or "kite shaped"muscle

Back 28

trapezius

Front 29

extends the head

Back 29

trapezius

Front 30

imp muscles when the arm must be brought down in a power stroke, as when swimming or striking a blow

Back 30

latissimus dorsi

Front 31

a large and flat muscle pair that covers the lower back

Back 31

latissimus dorsi

Front 32

prime mover of back extension

Back 32

erector spinae

Front 33

erector spinae is composed of:
______,_______ and ______... powerful back extensors

Back 33

spinalis, iliocostalis, longissimus

Front 34

fleshy, traingle-shaped muscles that form the rounded shape of your shoulders

Back 34

deltoid

Front 35

prime mover for arm abduction

Back 35

deltoid

Front 36

prime mover of the flexion of the forearm and acts to supinate the forarm

Back 36

biceps brachii

Front 37

it bulges when the elbow is flexed

Back 37

biceps brachii

Front 38

lies deep to the biceps muscle and is as imp as the biceps in elbow flexion

Back 38

brachialis

Front 39

resides mainly in the forearm

Back 39

brachioradialis

Front 40

often called "boxer's muscle"

Back 40

triceps brachii

Front 41

only muscle posterior to the humerus

Back 41

triceps brachii

Front 42

forms most of the flesh of the buttocks

Back 42

gluteus maximus

Front 43

powerful hip extensor

Back 43

gluteus maximus

Front 44

imp site for giving intramuscular injections if more than 5ml is administered

Back 44

gluteus medius

Front 45

prime mover of hip flexion

Back 45

iliopsoas

Front 46

acts to keep the upper body from falling backward when standing erect

Back 46

iliopsoas

Front 47

press the thighs together

Back 47

adductor muscles

Front 48

(4) muscles causing movement at the hip joint

Back 48

gluteus maximus
adductor muscles
gluteus medius
iliopsoas

...in short GAGI :p

Front 49

muscle mass forming the posterior thigh

Back 49

hamstring group

Front 50

hamstring group is consists of:
_____, _____ & _____

Back 50

biceps femoris
semimembranosus
semitendinosus

Front 51

most superficial muscle of the thigh

Back 51

sartorious

Front 52

"tailor's muscle"

Back 52

sartorious

Front 53

this group act to extend the knee powerfully, as when kicking a ball

Back 53

quadriceps group

Front 54

the quadriceps group is consists of: ____,____, ____ & ____

Back 54

3 vastus muscles
rectus femoris

Front 55

sometimes the site used for intramuscular injections for infants

Back 55

lateral vastus and rectus femoris

Front 56

muscles that causes movement to the knee joint:
____, _____, & ______

Back 56

hamstring group
sartorious
quadriceps group

Front 57

muscles that causes movement to ankle and foot:
____,_____,____, ____ & ____

Back 57

Gastrocnemius
Extensor digitorum longus
Fibularis muscles
Tibialis anterior
Soleus

Front 58

prime mover for toe extension and dorsiflexor of the foot

Back 58

extensor digitorum longus

Front 59

plantar flexes and everts the foot

Back 59

fibularis muscles : longus, brevis, tertius

Front 60

"toes dancer's muscle"

Back 60

grastrocnemius

Front 61

forms the curved calf of the posterior leg

Back 61

grastrocnemius

Front 62

strong plantar flexor of the foot

Back 62

soleus

Front 63

superficial muscle of the anterior leg

Back 63

tibialis anterior

Front 64

dorsiflex and inverts the food

Back 64

tibialis anterior