Cervical muscles

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15 Terms

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Sternocleidomastoid

Flexes and laterally rotates the head

<p>Flexes and laterally rotates the head</p>
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• Splenius capitis

rotates head, bends head to one side, or extends neck

<p>rotates head, bends head to one side, or extends neck</p>
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• Semispinalis capitis

extends head, bends head to one side, or rotates head

<p>extends head, bends head to one side, or rotates head</p>
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• Trapezius

Elevates, depresses, retracts, and rotates the scapula; rotates the arm

<p>Elevates, depresses, retracts, and rotates the scapula; rotates the arm</p>
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• Levator scapulae

elevates and adducts scapula

<p>elevates and adducts scapula</p>
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• Platysma

Draws down the lower lip and angles of the mouth; tenses skin of the neck; helps depress mandible

<p>Draws down the lower lip and angles of the mouth; tenses skin of the neck; helps depress mandible</p>
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• Omohyoid

depresses and retracts hyoid bone

<p>depresses and retracts hyoid bone</p>
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• Sternohyoid

depresses hyoid bone and larynx

<p>depresses hyoid bone and larynx</p>
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• Sternothyroid

depresses thyroid cartilage

<p>depresses thyroid cartilage</p>
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• Mylohyoid

elevates hyoid bone and floor of mouth

<p>elevates hyoid bone and floor of mouth</p>
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• Digastric

elevates hyoid and depresses mandible

<p>elevates hyoid and depresses mandible</p>
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• Stylohyoid

elevates and retracts hyoid bone

<p>elevates and retracts hyoid bone</p>
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• Anterior scalene

a muscle anterior to the middle scalene

<p>a muscle anterior to the middle scalene</p>
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• Medial scalene

origin: posterior tubercles of the transverse processes of lower 6 cervical vertebrae, insertion: upper surface of the 1st rib, action: elevates 1st and 2nd ribs; bends spinal column laterally

<p>origin: posterior tubercles of the transverse processes of lower 6 cervical vertebrae, insertion: upper surface of the 1st rib, action: elevates 1st and 2nd ribs; bends spinal column laterally</p>
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• Posterior scalene

smallest scalene muscle, located posterior to the middle scalene

<p>smallest scalene muscle, located posterior to the middle scalene</p>