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Face 1
Face 2
Neck 1
Neck 2
Misc.
100

What is the function of the Buccinator?

1. Manipulate food during chewing 

2. Expels air through pursed lips 


100

What is the function(s) of the Platysma?

1. Depresses lower lip

2. Depresses mandible

3. Tenses skin of neck 

100

What is the function of the sternohyoid?

1. Depresses hyoid bone and larynx

100

What is the bilateral action (function) of the Scalenes?

1. Flexes head 

2. Elevates rib cage with vertebral column during forced inspiration

100

What is the Prime Mover (Agonist)?

The muscle that is most responsible for producing a particular movement that creates a muscle's action.

200

What is the function of the Masseter?

1. Elevates Mandible 

200

What is the function of the Temporalis?

1. Elevates and retracts mandible 

200

What is the bilateral action (function) of the sternocleidomastoid?

1. Flexes head (chin moves toward chest)

200

What is the unilateral action (function) of the Scalenes?

1. Rotates head laterally 

200

What is the Antagonist?

A muscle that opposes the action of a prime mover.

300

What is the function of the Frontalis?

1. Raises Eyebrows 
300

What is the function of the Zygomaticus Major?

1. Pulls angle of mouth superiorly and laterally 

2. Smiling 

300

What is the unilateral action (function) of the sternocleidomastoid?

1. Flex and rotate the head toward opposite side 

300

What is the function of the Mylohyoid?

1. Elevates hyoid bone and the floor of the mouth to push food towards the pharynx 

300

What is the Synergist?

A muscle that aids a prime mover and is usually located close to it. 

400

What is the function of the Occipitalis?

1. Pulls scalp posteriorly 

400

What is the function of the Zygomaticus Minor?

1. Raises lateral portion of the upper lip

2. Smiling 

400

What is the function of the Digastric (anterior & posterior belly)?

1. Depresses mandible 

2. Fixator of the hyoid bone during swallowing 

400

What is the Fixator?

A muscle that stabilizes the origin of the prime mover so that the prime mover can act more efficiently. 

500

What is the function of the Orbicularis Oculi?

1. Closes the eye 

500

How are muscles named?

1. Location

2. Shape

3. Number of Origins 

4. Bony Attachments 

5. Fiber Orientation 

6. Action