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10 Cards in this Set
- Front
- Back
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What innervates the splenius capitis?
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Dorsal rami of spinal nerves
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What innervates the erector spinae?
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Dorsal rami of spinal nerves for each region
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What individual muscles comprise the erector spinae (in order, laterally to mid-line)?
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Iliocostalis
Longissimus Spinalis (Mnemonic: I Like Standing) |
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What movement is performed by the splenius capitis?
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Lateral flexion of neck (ear to shoulder) and
Rotation of head (no gesture) |
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What movement is performed by the erector spinae?
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TOGETHER= stand TALL, extend vertebral column/head
SEPARATELY= SIDE bend; lateral bending of vertebral column |
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What muscles comprise the suboccipital triangle?
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Rectus capitus Major
Superior oblique Inferior oblique (Rectus capitus minor located above rcMj, but not integral to formation of subocc triangle) |
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What innervates the suboccipital triangle?
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Suboccipital nerve (found above lateral process of C1)
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What supplies blood to the suboccipital triangle?
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Vertebral artery (found above lateral process of C1)
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What movement is performed by the suboccipital triangle?
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Flexion/extension of head
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What innervates the semispinalis?
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Greater occipital nerve (C2)
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