Muscles of the Head and Neck Flashcards
Epicranius
Rasies Eyebrows
Buccinator
Compresses Cheek
Levator Labii Superioris
Opens the Lips
Masseter
Closes the Jaw
Origin - zygomatic arch and Bone
Insertion - Angle and Ramus of Mandible
Orbicularis Oculi
Closes the Eye
Orbicularis oris
Closes the Lips
Platysma
Depresses Mandible, Pulls lower lip back and down
Omohyoid
Depresses and retracts hyoid
Origin - Superior Surface of Scapula
Insertion - Hyoid Bone
Scalenes
Elevates the Ribs
Origin - transverse process of cervical Vertebrae
Insertion - Anterolateral Surface of first two ribs
Sternocleidomastoid
Rotates and Tilts Head
Origin - manubrium of sternum and medial portion of clavicle
Insertion - Mastoid process of temporal bone
Temporalis
Closes the Jaw
Trapezius
Raises Scapula
Zygomaticus
Raises Corner of Mouth (smile)
Depressor Anguli Oris
Lowers Corner of Mouth
