AT302

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Author:
itzlinds
ID:
264895
Filename:
AT302
Updated:
2014-03-03 16:25:48
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Table 13 Intrinsic muscles acting spinal column
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table 13.4 intrinsic muscles acting on the spinal column
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table 13.4 Intrinsic muscles acting on the spinal column
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  1. origin of the iliocostalis lumborum:
    posterior aspect of the iliac crest
  2. insertion of the iliocostalis lumborum:
    inferior angles of ribs 6-12
  3. list the action of iliocostalis

    bilateral:
    unilateral:
    • bilateral
    • extension of spinal column

    • unilateral
    • lateral bending of spinal column to the same side
  4. list the origin of the iliocostalis thoracis:
    ribs 6 - 12
  5. list the insertion of the iliocostalis thoracis:
    • ribs 1 - 6
    • transverse process of C7
  6. list the action of the iliocostalis thoracis:

    bilateral:
    unilateral:
    • bilateral
    • extension of the spinal column

    • unilateral
    • lateral bending of the spinal column to the same side
  7. what is the origin of the longissimus thoracis:
    common erector spinae tendon
  8. what is the insertion of longissimus thoracis:
    • transverse process of T3 - T21
    • ribs 3 - 12
  9. what is the action of the longissimus thoracis:

    bilateral:
    unilateral:
    • bilateral
    • extension of spinal column

    • unilateral
    • lateral bending of spinal column
  10. what is the origin of the spinalis thoracis:
    common erector spinae tendon
  11. what is the insertion spinalis thoracis:
    spinous processes of upper thoracic spine
  12. what is the action of the spinalis thoracis:

    bilateral:
    unilateral:
    • bilateral
    • extension of the spine

    • unilateral
    • lateral bending of the spine to the same side
  13. what is the origin of the semispinalis thoracis:
    transverse process
  14. what is the insertion of the semispinalis thoracis:
    travel upwardly and medially to attach to a spinous process 5 or 8 vertebrae above the origin
  15. what is the action of the semispinalis thoracis:

    bilateral:
    unilatera:
    • bilateral
    • extension of thoracic and cervical spine

    • unilateral
    • rotation of the opposite side
  16. what is the origin of the multifidus:
    • lumbar region
    • superior aspect of the scarum

    • thoracic region 
    • transverse processes

    • cervical region
    • articular processes
  17. what is the insertion of the multifidus:
    spinous process
  18. what is the action of the multifidus:

    bilateral:
    unilateral:
    • bilateral
    • stabilization of vertebral column

    • unilateral
    • rotation of spine to the opposite side
  19. what is the origin of the rotatores:
    transverse process
  20. what is the insertion of the rotatores:
    spinous process of the vertebra immediately above the origin
  21. what is the action of the rotatores:

    bilateral:
    unilatera:
    • bilateral
    • extension of the spine
    • stabilization of vertebral  column

    • unilateral
    • rotation of the spine

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