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A+P Muscils in Head
Question | Answer |
---|---|
Frontalis | Origin: Galea Aponeurotica (Fibrous Sheath) Insertion: Skin Above the nose and eyes. Action: Wrinkles forehead and raises eyebrows Nerve: Facial Nerve |
Occiptalis | Origin: Sup Nuchal Lines of the Occipital Bone. Insertion: Galea Aponeurotica. Action: Draws back scalp. Nerve: Facial Nerve |
Corrugator Supercili | Origin: Meial end of Suprerilliary Arch Insertion: Sdin under medial end of eyebrow. Action: Draws back scalp. Nerve: Facial Nerve. |
Procerus | ORIGIN: Fascia over Nasal Bone. INSERTION: Skin between eyebrows. ACTION: Draws eyebrows down and medially in a frown, moves nose. NERVE: Facial Nerve |
Nasalis | NASALIS- TRANSVERSE PORTION ORIGIN: Maxilla INSERTION: Muscle on opp side of br of nose. ACTION: Draws eyebrows down and medially in a frown, moves nose. NERVE: Facial Nerve. |