muscles Flashcards
raise eyebrows, wrinkle forehead
frontalis
pulls scalp posteriorly
occipitalis
close eyes, wink, squint, blink
occularis oculi
protrude lips, open and close mouth
occularis oris
chewing muscle
buccinator
smiling muscle
zygomaticus
closes mouth by pulling jaw up
masseter
synergist to the masseter
temporalis
neck muscle, lets you frown
platysma
neck muscle, lets you bow your head
sternocleidomastoid
covers upper part of the chest, adduct and flex the arm
pectoralis major
muscle found between the ribs
intercostal muscles
lifts the ribs, letting lungs expand when inhaling
external intercostal muscles
decompresses the ribs, useful when forcefully exhaling
internal intercostal muscles
flex the vertebral column, helps you to push when defecating or giving birth
rectus abdominis
makes up the lateral walls of the abdomen, flex the vertebral column and rotate the trunk and bend it laterally
external obliques