| Question | Answer |
| Occipitofrontalis origin | Frontalis: Skin over the eyebrows
Occipitalis: Superior Nuchal line of the Occiput |
| Occipitofrontalis insertion | Frontalis: Skin over the eyebrows
Occipitalis: Superior Nuchal line of the Occiput |
| Occipitofrontalis action | Frontalis: Raise eyebrows, Wrinkle forehead
Occipitalis: Anchors and retracts the Galea Aponeurotica |
| Occipitofrontalis nerve | Facial Nerve (Cranial Nerve VII) |
| Orbicularis Oris origin | Skin and fascia of the lips and tissues surrounding the lips |
| Orbicularis Oris insertion | Skin and fascia of the lips and tissues surrounding the lips |
| Orbicularis Oris action | Closes the mouth
Protracts the lips
Draws the angle of the mouth medially |
| Orbicularis Oris nerve | Facial Nerve (Cranial Nerve VII) |
| Orbicularis Oculi origin | Medial orbital margin,
Medial palpebral ligament,
Lacrimal bone |
| Orbicularis Oculi insertion | Medial orbital margin,
Lateral palpebral ligament,
Medial palpebral raphe |
| Orbicularis Oculi action | Closes and squints the eye,
Depresses the upper eyelid,
Elevates the lower eyelid |
| Orbicularis Oculi nerve | Facial Nerve (Cranial Nerve VII) |
| Zygomaticus Major origin | Zygomatic bone/arch |
| Zygomaticus Major insertion | Angle of the mouth blending with the Orbicularis Oris |
| Zygomaticus Major action | Draws the angle of the mouth laterally |
| Zygomaticus Major nerve | Facial Nerve (Cranial Nerve VII) |
