For a muscle to work, it must contract, meaning it shortens in length.
Position: Upper part of cranium, extends over forehead.
Action: Moves scalp forward, raises eyebrows.
Position: Inner corners of the eyebrows.
Action: Draws eyebrows together, causing frowning. Forms vertical wrinkles between the eyebrows.
Position: Top of nose between eyebrows.
Action: Depresses the eyebrows, creating wrinkles over the bridge of the nose.
Position: Runs down the side of the face towards the upper jaw.
Action: Aids in chewing and closing the mouth.
Position: Surrounds the eye.
Action: Closes the eye (e.g., blinking).
Position: Runs upward from the upper lip.
Action: Lifts the upper lip, elevates the mouth.
Position: Surrounds the lips and forms the mouth.
Action: Closes the mouth, purses lips forward (e.g., as in kissing).
Position: A small muscle below the lower lip.
Action: Pulls the lower lip down slightly and outwards.
Position: Over the front of the nose.
Action: Compresses the nose, wrinkles the nose.
Facial, neck and shoulder muscles