9Muscles Flashcards
Muscle that flattens the cheek yewhen contracted; position food for chewing
Buccinator
Flat muscle that raises eyebrows and wrinkles the forehead; creates a surprised look
Frontalis
Fan shaped muscle that extends from the temporal bone to the mandible; works synergistically with other chewing muscles
Temporalis
Extends from the corners of the mouth to the cheekbone; called the smiling muscle
Zygomaticus
Muscle of the upper back and neck. Contraction of this muscle tilts the heads so that the face looks up at the sky; also moves the shoulder
Trapezius
Sphincter muscle encircling the mouth called the kissing muscle
Orbicularis Oris
Muscles on either side of the neck that cause flexion of the head as in praying; contraction of only one of these muscles rotates the head
Sternocleidomastoid
A chewing muscle that works synergistically with the temporalis muscle to close the jaw
Masseter
Sphincter muscle encircling the eyes; assists in winking, blinking, and squinting
Orbicularis oculi
Works antagonistically to the sternocleidomastoid
Trapezius
A spasm of this muscle causes torticollis, or wryneck
Sternocleidomastoid
Attaches to the collar bone, breastbone, and temporal bone
Sternocleidomastoid
Muscle that raises eyelid
Levator palpebrae superioris
Your frowning and pouting muscle; also depresses the mandible
Platysma
Muscles that are responsible for raising and lowering the rib cage during breathing; bbq ribs
Intercostals