MUSCLES OF THE FACIAL EXPRESSION- facial muscles Flashcards
1
Q
platysma
A
- depresses the mandible
2. tenses skin of inferior face and neck conveying tension and stress
2
Q
frontal belly
A
- elevates eyebrows
- wrinkles skin of the forehead
- protracts scalp
3
Q
occipital belly
A
- retracts scalp
2. increasing effectiveness of frontal belly