OIA: Action Flashcards
Orbicularis Oris
closes and protrudes lips
Buccinator
compresses cheek as in whistling and sucking, holds food between teeth during mastication
Masseter
closes jaw
Platysma
pulls corners of mouth inferiorly
Zygomaticus
raises corner of the mouth
Orbicularis Oculi
blinks and closes eyes
Epicranius Frontalis
elevating the eyebrows
Temporalis
closes jaw
Epicranius Occipitalis
move the scalp towards the posterior of the skull
Sternocleidomastoid
flexes neck and rotates head
External Oblique
flexes and rotates vertebral column
Internal Oblique
helps maintain movement of the trunk and abdominal pressure
Rectus Abdominis
flexes vertebral column
Transversus Abdominis
compresses abdominal contents
Linea Alba
maintain abdominal muscles in a certain proximity to each other
Pectoralis Major
abducts and flexes humerus
Pectoralis Minor
abducts and rotates scapula, elevates ribs
Trapezius
flexes neck and rotates head
Latissimus Dorsi
extends and adducts humerus
Rhomboid
elevates, adducts, rotates scapula