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15 Cards in this Set
- Front
- Back
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o Splenius capitis innvervation
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Posterior Rami- Middle Cervical Nerves
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o Splenius capitis function
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Together-draw head backward, extending neck; individually-draw and rotate head to one side (turn face to same side)
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o Splenius cervicis innvervated by
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Posterior rami lower cervical nerves
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o Splenius cervicis function
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Together-extend neck; individually-draw and rotate head to one side (turn face to same side
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o Iliocostalis has three parts
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Lumborum, thoracis and cervicis
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Longissimus has 3 parts
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Lumborum, Thoracis, and capitis
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superior portion, the longissimus capitis muscle, attaches to
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mastoid proccess of the temporal bone
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o Spinalis
Three parts |
thoracis, cervicis, and capitis
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o Semispinalis capitis
has a unique action because |
it attaches to the skull. Contracting bilaterally, this muscle pulls the head posteriorly, whereas unilateral contraction pulls the head posteriorly and turns it, causing the chin to move superiorly and turn toward the side of the contracting muscle
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• Cervical enlargement
• Lumbar enlargement |
(C4 to T1)
(L2 to S3)- |
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• Conus medullaris (medullary cone)- end of spinal cord at
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Lv2
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• Cauda equina- collectionof
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ventral and dorsal roots in the lower vertebral canal
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• Filum terminale internum
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- pial connective tissue that continues from the conus medullaris.
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• Ligamentum Flava
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, broad ligaments consist predominantly of elastic tissue and form part of the posterior surface of the vertebral canal and past between laminae of adjacent vertebrae.
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• Denticulate ligaments
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longitudinal oriented sheets that are extend from the pia mater to the dura mater to keep the spinal cord in place; help position the spinal cord in the center of the subarachnoid space
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