ap 120 - lab muscles and their jobs

frontalis

raises eyebrows

orbicularis oculi

closes eye

buccinator

compresses cheeks

temporalis 

elevate mandible  (t)

masseter 

elevate mandible (m)

sternocleidomastoid

flexes head

pectoralis minor (deep)

protract scapula (pmi)

serratus anterior

protract scapula (sa)

trapezius

retract scapula

deltoid

ABducts arm

pectoralis major

ADducts arm (pma)

biceps brachiis

flexes elbows (bb)

brachialis

flexes elbows (b)

triceps brachiis 

extend elbows (tb)

hand flexor group

flexes wrists

hand extensor group

extends wrists

diaphragm

prime move of inspiration

rectus abdominus

flexes vertebral column

external oblique

lateral flexion (eo)

internal oblique

lateral flexion

iliopsoas

flexes hips (i)

tensor fasia latae

flexes hip (tfl)

sartorius 

flexes hip (s)

rectus femoris

flexes hip (rf)

gluteus maximus

extending the hip (gm)

ADductor group

ADduct the hip

quadriceps femoris group

extends knee

hamstring group 

flexes knee

tibialis anterior

dorsiflexes ankle (toe up)

gastrocnemius

plantarflexes ankle (tippy toes)

soleus

plantarflexes ankle

orbicularis oris 

closes lips 

Latissimus dorsi

ADducts arm (ld)