1. Risorius
- Origin: Fascia over salivary gland
- Insertion: Skin at angle of mouth
- Action: Draws the corner of the mouth
2. Mentalis
- Origin: Mandible
- Insertion: Skin of chin
- Action: Elevates and protrudes lower lip
3. Orbicularis oris
- Origin: Muscle fibers around mouth opening
- Insertion: Skin at corner of mouth
- Action: Closes and protrudes lips
4. Corrugator supercilii
- Origin: Medial end of superciliary arch of frontal bone
- Insertion: Skin of eyebrow
- Action: Draws eyebrows together and downward, wrinkling the skin between them
5. Orbicularis oculi
- Origin: Medial wall of orbit
- Insertion: Circular path around the orbit
- Action: Closes eye
6. OccipitofrontalisÂ
- Origin: Epicranial aponeurosis
- Insertion: Skin superior to supraorbital margin
- Action: Draws scalp upward, raises eyebrows, and wrinkles the skin of the forehead horizontally