Muscles of the Head & Neck

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Presentation transcript:

Muscles of the Head & Neck

Frontalis: covers the frontal bone-raises the eyebrows and wrinkles the forehead

Frontalis: covers the frontal bone-raises the eyebrows and wrinkles the forehead

Frontalis: covers the frontal bone-raises the eyebrows and wrinkles the forehead Temporalis: covers the temporal bone. Big, fan-shaped muscle. Also helps to raise the mandible.

Frontalis: covers the frontal bone-raises the eyebrows and wrinkles the forehead Temporalis: covers the temporal bone. Big, fan-shaped muscle. Also helps to raise the mandible. Obicularis oculi: runs in circles around the eye. Can close eyes, squint, blink, wink.

Frontalis: covers the frontal bone-raises the eyebrows and wrinkles the forehead Temporalis: covers the temporal bone. Big, fan-shaped muscle. Also helps to raise the mandible. Obicularis oculi: runs in circles around the eye. Can close eyes, squint, blink, wink. Trapezius: (part of back muscles)

Obicularis Oris: circular muscle around the lips. Protrudes lips Obicularis Oris: circular muscle around the lips. Protrudes lips. “kissing muscle”

Obicularis Oris: circular muscle around the lips. Protrudes lips Obicularis Oris: circular muscle around the lips. Protrudes lips. “kissing muscle” Buccinator: goes horizontally across the cheek-used for whistling, playing the trumpet, holds food when you chew.

Obicularis Oris: circular muscle around the lips. Protrudes lips Obicularis Oris: circular muscle around the lips. Protrudes lips. “kissing muscle” Buccinator: goes horizontally across the cheek-used for whistling, playing the trumpet, holds food when you chew. Platysma: flat muscle that pulls mouth downward

Obicularis Oris: circular muscle around the lips. Protrudes lips Obicularis Oris: circular muscle around the lips. Protrudes lips. “kissing muscle” Masseter: chewing muscle (for mastication) Raises mandible to close the jaw Buccinator: goes horizontally across the cheek-used for whistling, playing the trumpet, holds food when you chew. Platysma: flat muscle that pulls mouth downward

Obicularis Oris: circular muscle around the lips. Protrudes lips Obicularis Oris: circular muscle around the lips. Protrudes lips. “kissing muscle” Zygomaticus: goes from the corner of mouth to cheek bone. Raises mouth edges- smile. Masseter: chewing muscle (for mastication) Raises mandible to close the jaw Buccinator: goes horizontally across the cheek-used for whistling, playing the trumpet, holds food when you chew. Platysma: flat muscle that pulls mouth downward

Platysma: flat muscle that pulls mouth downward Sternocleidomastoids: pair of muscles flex to bow head Obicularis Oris: circular muscle around the lips. Protrudes lips. “kissing muscle” Zygomaticus: goes from the corner of mouth to cheek bone. Raises mouth edges- smile. Masseter: chewing muscle (for mastication) Raises mandible to close the jaw Buccinator: goes horizontally across the cheek-used for whistling, playing the trumpet, holds food when you chew. Platysma: flat muscle that pulls mouth downward