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9 Cards in this Set
- Front
- Back
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iliocostalis (lateral)(thoracis, cervis, lumborum)
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O=inf. 6 ribs; ribs 3-6; iliac crests
I=angles of ribs; transverse processes of cervical vertebrae A=extends vertebral column; maintains erect posture N=spinal nerves (dorsal rami) |
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longissimus (middle) (thoracis, cervis, capitis)
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O=transverse processes of lumbar through cervical vertebrae
I=transverse processes of thoracic or cervical vertebrae A=extends & bends vertebral column laterally; extends head & turns face toward same side N=spinal nerves (dorsal rami) |
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spinalis (medial)
thoracis, cervicis) |
O=spines of supper lumbar & lower thoracic vertebrae
I=spines of upper thoracic & cervical vertebrae A=extends vertebral column; enables lat. flexion of back N=spinal nerves (dorsal rami) |
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transversospinalis (multifidis)
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extends spine
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transversospinalis (rotatores)
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rotates spine
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transversospinalis (semispinalis)
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extends head and spine and lateral flexes spine
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quadratus lumborum
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O=inferior border of 12th rib
I=apices of transverse processes of L1-4, iliolumbar ligament and posterior third of iliac crest A=fixes 12th rib during respiration and lateral flexes trunk N=anterior primary rami (T12-L3) |
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longus capitis
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O=anterior tubercles of transverse proceses of C3-6
I=anterior basilar occipital bone A=flexes cervical spine and atlanto-occipital joint N=anterior primary rami of C1-3 |
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longus colli
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O=anterior body of T1-3, anterior tubercles of transverse processes of C3-7
I=anterior arch of atlas (C1) and bodies of C2-4 A=flexes and rotates cervical spine N=anterior primary rami of C2-6 |
