Term
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Definition
United by the galea aponeurotica (aponeurosis) on the superior and lateral aspects of the skull
componets are Frontalis and Occiptalis |
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Term
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Definition
Origin: Temporal Bone
Insertion: Coronoid Process of the Mandible
Action: Elevates (Closes) the jaw |
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Term
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Definition
Origin: Zygomatic Arch
Insertion: Angle and Ramus of the Mandible
Action: Elevates(Closes the Jaw) |
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Term
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Definition
Origin: Galea Aponeurotica (aponeurosis)
Insertion: Skin above the supraorbital margin
Action: Raises the eyebrows |
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Term
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Definition
Origin: Occiptal Bone and Mastoid Process
Insertion: Galea aponeurotica (aponeurosis)
Action: Pulls the scalp posteriorly |
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Term
| Buccinator "Trumpeter's Muscle" |
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Definition
Origin: Alveolar Processes of the Posterior Mandible and Maxillae
Insertion: Orbicularis Oris Muscle
Action: Compresses the cheek when blowing and sucking |
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Term
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Definition
Origin: Medial Wall of the Orbit
Insertion" Tissue of the eyelid
Action" Closes the Eye |
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Term
| Platysma "Pouting Muscle" |
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Definition
Origin: Fascia of the deltoid and pectoralis major muscles
Insertion: Mandible and skin of the corners of the mouth
Action" Pulls the coners of the mouth down and back |
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Term
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Definition
Origin: Mid-clavicle and manubrium of sternum
Insertion: Mastoid Process of the temporal bone
Action" Flexes and rotates the head |
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