raises the eyebrows

closes eye

raises lateral corners of mouth upward. smiling

opens lips

draws corner of lip laterally. tenses lips

draws lower lip, pout

draws corners of mouth down and laterally. tragedy mask, grimace

closes lips, purses, kissing

wrinkles chin

compress check, sucking and blowing

tenses skin of neck

chewing

chewing

chewing

chewing

protracts tongue

depresses tongue

retracts and elevates tongue

flexes and laterally rotates the head. both contract=neck flexion. one contract=tilts head to opposite side

elevates first two ribs

extend and laterally flex the vertebra column

extend and laterally flex vertebral column. extends head and turns the face toward same side

extends vertebral column

extends vertebral column and head and rotates them to the opposite side

flexes vertebral column laterally

deepest muscle in back

deepest muscle in back

deepest muscle in back

erector spinae muscle

erector spinae muscle

erector spinae muscle

extends the vertebral column

extends the vertebral column

extends the vertebral column

extends the vertebral column

flexes vertebral column laterally

pull ribs toward one another to elevate rib cage

draw ribs together and depress rib cage

prime mover of inspiration

flex and rotate lumbar region of vertebral column, increase intra-abdominal pressure

flex vertebral column and compress abdominal wall. rotating trunk and flexing laterally

flex vertebral column and compress abdominal wall. rotating trunk and flexing laterally

compress abdominal contents

ribs fixed, draws scapula forward and downward

rotates scapula so its inferior angle moves laterally and upward

depression of clavicle

stabilizes, raises, retracts, and rotates scapula

elevates/adduct scapula

stabilize scapula

prime mover of arm flexion, rotates arm medially, adducts arm

primer mover of arm abduction when all its fibers contract simultaneously

chief medial rotator of humerus

initiates abduction

rotates humerus laterally

rotates humerus laterally

extends medially rotates and adducts humerus

powerful forearm extensor

may control ulnar abduction during forearm pronation

flexes elbow joint and supinates forearm

a major forearm flexor

synergist in flexing forearm

pronates forearm

powerful flexor of wrist

tenses skin and fascia of palm during hand movements

powerful flexor of wrist, also adducts hand

flexes wrist and middle phalanges of fingers

flexion of wrist. flexion on metacarpal phalanges of thumb

flexes distal interphalageal joints

primer mover of forearm pronation

extends wrist

extends and abducts wrist

primer mover of finger extension

extends wrist

assist biceps brachii to forcibly supinate forearm

abducts and extends thum

extends thumb

extends index finger

abducts thumb

flexes thumb

opposition

adducts and helps to oppose thumb

abducts little finger

flexes little finger

helps in opposition

flex fingers at metacarpophalangeal joints but extends fingers at interphalangel joints

adduct fingers

abduct fingers

flexes, abducts, and laterally rotates thigh, cross legged position. tailor muscle.

deep thigh adductor

deep thigh adductor

deep thigh adductor

deep thigh adductor

deep thigh adductor

extends knee and flexes hip

extends and stabilizes knee

extends knee

quadriceps muscle

quadriceps muscle

quadriceps muscle

quadriceps muscle

extends knee

steadies knee

major extensor of thigh

abducts and medially rotates thigh

abducts and medially rotates thigh

deep thigh rotator

deep thigh rotator

deep thigh rotator

deep thigh rotator

deep thigh rotator

hamstring

hamstring

hamstring

extends thigh and flexes knee

extends thigh and flexes knee

extends thigh and flexes knee

prime mover of dorsiflexion

prime mover of toe extension

dorsiflexes and everts foot

extends great toe

plantar flexes and everts foot

plantar flexes and everts foot

plantar flexes foot

plantar flexes foot

helps to flex knee and plantar flex foot

planter flexes and inverts foot

planter flexes and inverts foot; flexes great toe

primer mover of foot inversion

helps extend toes at metatarsophalangeal joints

helps flex toes

abducts great toe

abducts and flexes little toe

straightens out the oblique pull of flexor digitorum longus

flexes great toes

helps maintain travsverse arch of foot

flexes little toe