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Related Flashcards
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Cards In This Set
| Front | Back |
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(Muscles of Head, Face and Jaw) Frontal Belly of Epicranius
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Covers forehead and dome of skull
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Orbicularis Oculi(eyes)
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Surrounds rim of the orbit
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Orbicularis Oris(mouth)
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Most fibers run circularly around the mouth
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Masseter
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Covers mandibular ramus, anterior to TMJ
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Temporalis
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Fan shaped muscle, covers parts of temporal, frontal and parietal bones
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Buccinator
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Thin horizontal cheek muscle, principal muscle of the cheek, deep to masseter.
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Zygomaticus major and minor
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Extends diagonally from corner of mouth to cheekbone
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Risorius
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Sits inferior and lateral to zygomaticus and is partially on top of buccinator. (End of Muscles of Head, Face and Jaw)
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(Anterolateral Muscles of the Neck) Sternocleidomastoid(SCM)
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Located on anterolateral surface of neck. Extends from behind the ear down to clavicle and sternum.
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Scalenes(anterior, middle and posterior)
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Deep to SCM, located laterally from the transverse processes of the cervical vertebra.
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Platysma
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Thin sheetlike muscle on superficial surface of neck. (End of Anterolateral Muscles of the Neck)
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External Intercostals (Deep Muscles of the Thorax(Chest))
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Located between the ribs, run from each rib to the rib below. Fibers run down and anteriorly.
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Internal Intercostals
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Located between the ribs, fibers run perpindicular to external intercostals(down and posteriorly)
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Diaphragm
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Located inferior to the lungs, forms floor of thoracic cavity. Separates thoracic cavity contents from abdominal contents. (End of Deep Muscles of the Thorax(Chest))
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Pectoralis minor (Anterior Muscles of the Chest and Shoulder)
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Located deep to pectoralis major in the upper chest, flat and thin muscle.
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