Flashcards
Head Muscles
Cards in this deck (18)
- 1Occipitalis (Epicranius)Origin: Occipital bone
Insertion: Galea aponeuroitca
Action: Pulls scalp posteriorly - 2Frontalis (Epicranius)Origin: Galea aponeuroitca
Insertion: Skin of eyebrows
Action: Raise eyebrows; wrinkle forhead - 3Corrugator supercilliOrigin: Frontal bone
Insertion: Skin of eyebrow
Action: Draws eyebrows together; wrinkles forhead - 4Orbicularis oculiOrigin: Frontal and maxillary bones
Insertion: Tissue of eyelid
Action: Draws eyebrows downward (blink, squint) - 5Orbicularis orisOrigin: Maxilla and mandible (indirect)
Insertion: Muscles and skin at edge of mouth
Action: closes lips, purses and protrudes lips (kiss) - 6BucinatorOrigin: Maxilla and mandible
Insertion: Orbicularis oris
Action: Draws corner of mouth laterally - 7ZygomaticusOrigin: Zygomatic bone
Insertion: Muscles and skin at edge of mouth
Action: Raises corners of mouth upwards - 8PlatysmaOrigin: Fascia of chest
Insertion: Lower margin of mandible
Action: Depress mandible - 9RisoriusOrigin: Fascia of masseter
Insertion: Angle of mouth
Action: Draws lips laterally - 10Levator labii superiorisOrigin: Zygomatic and maxilla
Insertion: Skin and muscle of upper lip
Action: Opens lips & flares nostrils - 11Depressor labii inferiorisOrigin: Mandible
Insertion: Skin and muscle of lower lip
Action: Draws lower lip downward - 12MasseterOrigin: Zygomatic arch
Insertion: Angle of mandible
Action: Prime mover for jaw movement - 13TemporalisOrigin: Temporal fossa
Insertion: Coronoid process of mandible
Action: Closes jaw, retracts mandible (jaw closed at rest) - 14Medial pterygoidOrigin: Sphenoid ; palatine plate, medial surface
Insertion: Mandible
Action: Elevates jaw - 15Lateral pterygoidOrigin: Sphenoid, greater wing
Insertion: Condyle of mandible
Action: Protrudes mandible - 16GenioglossusOrigin: Mandible, internal surface
Insertion: Bottom of tongue, body of hyoid
Action: Protrudes tongue - 17HyoglossusOrigin: Hyoid
Insertion: Bottom and lateral aspects of tongue
Action: Depress tongue - 18StyloglossusOrigin: Styloid process of temporal bone
Insertion: Bottom and lateral aspects of tongue
Action: Retracts tongue
Information
- Description
- Facial muscles that are used for expression and mastication
- Created by
- Mansi Trikha
- Views
- 7
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- Rating