Muscle OIA: Head and Neck

Origins, insertions, and actions of head and neck muscles

5 cards   |   Total Attempts: 188
  

Cards In This Set

Front Back
Question 1
Sternocleidomastoid
Origin: Sternum and Clavicle
Insertion: Mastoid process of the temporal bone
Action: Laterally rotates head; flexes neck
Question 2
Masseter
Origin: Zygomatic arch
Insertion: Lateral ramus and angle of mandible
Action: Elevates mandible; prime mover of closing jaw
Question 3
Temporalis
Origin: Temporal fossa
Insertion: Coronoid process of mandible
Action: Closes jaw
Question 4
Orbicularis oculi
Origin: Frontal and maxillary bones
Insertion: Tissue of eyelid
Action: Closes eye
Question 5
Orbicularis oris
Origin: Maxilla and mandible
Insertion: Encircles mouth
Action: Closes lips