| Term | Definition |
|---|
| frontalis (epicranius) action | raises the eyebrows; wrinkles the skin of the forehead |
| frontalis (epicranius) origin | occipital bone by way of galea aponeurosis |
| frontalis (epicranius) insertion | skin and muscles around the eye |
| orbicularis oculi action | closes the eye |
| orbicularis oculi origin | frontal and maxillary bones, margin of orbit |
| orbicularis oculi insertion | skin around the eye; circles the orbit |
| zygomaticus major action | raises the angle of the mouth (smile) |
| zygomaticus major origin | zygomatic bone |
| zygomaticus major insertion | skin and muscles about the angle of the mouth |
| orbicularis oris action | closes and protrudes the lips (kissing action) |
| orbicularis oris origin | maxilla and mandible |
| orbicularis oris insertion | skin surrounding the mouth, lips |
| buccinator action | compresses cheek; pulls corner of the mouth laterally |
| buccinator origin | mandible and maxillary bone |
| buccinator insertion | orbicularis oris and skin at the angle of the mouth |
| masseter action | raises the mandible, closing the jaw |
| masseter origin | zygomatic arch, maxilla |
| masseter insertion | mandible |
| temporalis action | raises the mandible, closing the jaw |
| temporalis origin | temporal bone |
| temporalis insertion | coronoid process of mandible |
| platysma action | depresses the mandible; draws the angle of the mouth downward; tightens skin of neck |
| platysma origin | fascia of upper chest |
| platysma insertion | mandible and skin of chin and cheek |
| sternocleidomastoid action | pulls head to one side, pulls head toward chest, or raises sternum |
| sternocleidomastoid origin | sternum and clavicle |
| sternocleidomastoid insertion | mastoid process of temporal bone |
Combine with other sets
Share on Facebook
Share on MySpace