Legend:
Origin: O; Insertion: I; Action: A
- platysma; O: Fascia/Skin, supra, and infraclavicular regions; I: cheek/buccal skin region, lower lips, lower border of mandible; A: Tenses skin of the anterior neck and lower face, Depresses angle of mouth and mandible
- Mentalis; O: Mandible; I: underneath skin of chin; A: elevates and protrudes lower lip and skin of the chin
- Orbicularis oris; O: mandible and maxilla; I: Skin and fascia of the lips; A: Purses and protrudes the lips
- Corrugator supercilii; O: Frontal bone; I: Skin underneath eyebrow; A: To draw eyebrows downward and medially, facial expression of frowning
- Orbicularis oculi; O: Medial orbital and the medial palpebral ligament; I: skin of the lateral cheek and lateral palpebral raphe; A: Closes eyelids
- Occipitofrontalis; O: Galea aponeurotica and superior nuchal line; I: skin of the eyebrows and galea aponeurotica; A: Wrinkles the forehead and elevates eyebrows and