Muscle ID/Movements 2023

Elevates eyebrows.

• masseter

• occipitalis

• frontalis

• temporalis

Elevating mandible and chewing.

• buccinator

• temporalis

• masseter

• occipitalis

Close eyelids and squinting.

• orbicularis oris

• orbicularis oculi

• zygomaticus

• frontalis

Swallowing, mastication, swallowing, blowing bubbles.

• zygomaticus

• temporalis

• masticator

• buccinator

Elevates mandible/chewing (mastication).

• masseter

• buccinator

• frontalis

• zygomaticus

Head movenents.

• temporalis

• pectoralis major

• sternocleido-mastoid

• deltoid

Depresses mandible.

• sternocleido-mastoid

• platysma

• trapezius

• frontalis

Smiling.

• buccinator

• masseter

• zygomaticus

• temporalis

What motion is shown in the image?

• adduction

• flexion

• extension

• abduction

What motion is shown in the image?

• extenstion

• flextion

• dorsiflexion

• elevate

• supinate