Muscles (A, O, I) Flashcards
frontalis
▫raises eyebrows
▫o- epicranial aponeurosis
▫i- eyebrow skin
orbicularis oculi
▫closes eye
▫o- eye orbit
▫i- eye lid
nasalis
▫moves nose
▫o- maxilla
▫i- bridge of nose
levator palpbrae superioris
▫opens eyes
▫sphenoid
▫eyelid
quadratus labii superioris
▫elevates upper lip
▫o- maxilla
▫i- corners of mouth
zygomaticus
▫raises mouth corners
▫o- zygomatic bone
▫i- lip corners
orbicularis oris
▫purses lips
▫o- mandible and maxilla
▫i- mouth
mentalis
▫elevates lower lip
▫o- mandible
▫i- chin
triangularis (depressor anguli oris)
▫opens mouth
▫o- mandible
▫i- mouth
buccinator
▫flattens cheek
▫o- mandible
▫i- orbicularis oris
digastricus
▫lowers jaw
▫o- mandible
▫i- hyoid
masseter
▫closes jaw
▫o- zygomatic arch (tb)
▫i- mandible
sternicladomastoid
▫rotates head
▫o- sternum, clavicle
▫i- temporal bone
temporalis
▫closes jaw
▫o- temporal bone
▫i- mandible
trapezius
▫raises shoulders
▫o- occipital bone
▫i- clavicle, scapula
latissimus dorsi
▫extends arm behind back
▫o- vertebrae and sacrum
▫i- humerus
pectoralis major
▫flexes arm across chest
▫o- clavicle, sternum
▫i- humerus
serratus anterior
▫moves scapula forward
▫o- ribs
▫i- scapula
teres major
▫extends arm
▫o- scapula
▫i- humerus
teres minor
▫extends and adducts arm
▫o- scapula
▫i- humerus
deltoid
▫abducts arm
▫o- clavicle, scapula
▫i- humerus
biceps bracii
▫flexes forearm
▫o- scapula
▫i- radius