Masseter
Raises the Lower Jaw and assists in Mastication
Zygomaticus Major
Pulls the Corner of the Mouth Upward and Backward when Smiling or Laughing
Risorius
Retracts the Corners of the Mouth
Buccinator
Presses Cheek against Molar Teeth to keep food between teeth
Orbicularis Oculi
Closes Eyelids
Orbicularis Oris
Compresses and Protrudes Lips
Frontalis
Draws the Eyebrows and Skin of the Forehead Upwards
Temporalis
Raises the Lower Jaw
Platysma
Depresses Mandible and tenses skin of lower face
Sternocleidomastoid
Bends, Rotates, Flexes, and Extends the Head
Sternohyoid
Depresses Hyoid Bone after it has been Elevated during Swallowing
Omohyoid
Depresses, Retracts, and Steadies Hyoid Bone
Sternothyroid
Depresses Hyoid Bone and Larynx
Thyrohyoid
Depresses Hyoid Bone and Elevates Larynx