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7 Cards in this Set
- Front
- Back
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Sternocleidomastoid |
Action: Unilaterally flex head/neck to same side, rotate head/neck to opposite side Bilaterally flex neck, assist to elevate rib cage Origin: Sternal head: top of manubrium Clavicular head: medial 1/3 of the clavicle Insertion: mastoid process of temporal bone and the lateral portion of superior nuchal line of occiput |
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Anterior Scalene |
Action Unilaterally: laterally flex the head and neck to same side, rotate head to opposite side Bilaterally: elevate ribs during inhale, flex head and neck Origin: transverse process of third through sixth cervical vertebrae Insertion: first rib |
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Middle Scalene |
ActionUnilaterally: laterally flex the head and neck to same side, rotate head to opposite side Bilaterally: elevate ribs during inhale, flex head and neck
Origin: transverse process of second through seventh cervical vertebrae Insertion: first rib |
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Posterior Scalene |
ActionUnilaterally: laterally flex the head and neck to same side, rotate head to opposite side Bilaterally: elevate ribs during inhale, flex head and neck
Origin: transverse process of sixth and seventh cervical vertebrae Insertion: second rib |
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Masseter |
Action: elevate mandible, may assist to protract mandible Origin: zygomatic arch Insertion: angle and ramus of mandible |
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Temporalis |
Action: elevate mandible, retract mandible Origin: temporal fossa and fascia Insertion: coranoid process and anterior edge of ramus of mandible |
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Platysma |
Action: assist to depress mandible, tighten fascia of neck, draw down corner of mouth Origin: fascia covering superior part of pec major Insertion: base of mandible, skin of lower part of face |
