Muscle Movements

frontalis

elevates eyebrows

orbicularis oculi

close your eyes

nasalis

flares nares

levatator labii superioris

elevates your top lip

zygomaticus major

makes you smile

orbicularis oris

close your mouth (kissing)

depressor anguli oris

frown

occipitalis

retracts your scalp

sternocleidomastoid

flexion of neck

scalenes

flexion of neck

trapezius

extends neck backwards

serratis anterior

pulls shoulder forward

levator scapulae

elevates shoulders

pactoralis major

flexion of the arm

latissimus dorsi

abduction and extenssion

deltoid

abducts arm

internal abdominal obliques

rotates and laterally bend the torso

external abdominal obliques

rotates and laterally bends the torso

rectus abdominus

flexes the vertebral column

biceps brachii

flexes elbow, supinates forearm

brachioradialis

flexes elbow

triceps brachii

extends elbow

extensor carpi radialis longus

extends and abducts the wrist

extensor digitorum

extends fingers and wrist

flexor carpi radialis

flexes and abducts the wrist

flexor digitorum

flexes fingers and wrist

flexor and extensor retinaculum

anchors tendons

gluteus maximus

extends and laterally rotates hip

sartorius

flexes, abducts, and laterally rotates the hip

rectus femoris

flexes hip, extends knee

vastus medialis and lateralis

extends knee

pectineus

adducts and flexes hip

gracilis

adducts hip, flexes knee

adductor longus

adducts the thigh

semitendinosus

extend hip, flex knee

semimembranonosus

extend hip, flex knee

biceps femoris

extend hip, flex knee

gastronemius

plantar flexes ankle

soleus

plantar flexes ankle

tibialis anterior

dorsiflexes ankle