Deep Back: Erector/Sacrospine group

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Author:
paffman7
ID:
31727
Filename:
Deep Back: Erector/Sacrospine group
Updated:
2010-08-29 16:46:40
Tags:
PT603
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Description:
ERECTOR SPINAE/SACROSPINALIS GROUP
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  1. Iliocostalis cervicis PA (Origin)
    Ribs 3‐6 at angles
  2. Iliocostalis cervicis DA (Insertion)
    C4‐6 TP on post tubercles
  3. Iliocostalis cervicis innervation
    Posterior rami of lower cervical spinal nerves
  4. Iliocostalis cervicis blood supply
    Post. branches of post intercostal arteries
  5. Iliocostalis cervicis actions
    • Unilaterally: ipsilateral. SB the spine
    • Bilaterally: extends the spine
  6. Iliocostalis thoracis PA (Origin)
    Lower 6 ribs at the angles
  7. Iliocostalis thoracis DA (Insertion)
    Upper 6 ribs at the angles, posterior portion of the C7 TP
  8. Iliocostalis thoracis innervation
    Posterior rami of thoracic spinal nerves
  9. Iliocostalis thoracis blood supply
    Post. branches of post intercostal arteries
  10. Iliocostalis thoracis actions
    • Unilaterally: ipsilateral. SB the spine
    • Bilaterally: extends the spine
  11. Iliocostalis lumborum PA (Origin)
    common tendon (median sacral crest, SP T11, 12 and L1‐5 and their supraspinous ligaments and medial aspect of the posterior iliac crest
  12. Iliocostalis lumborum DA (Insertion)
    lower 6‐7 ribs at the angles
  13. Iliocostalis lumborum innervation
    Posterior rami of lumbar spinal nerves
  14. Iliocostalis lumborum blood supply
    Post. branches of post intercostal arteries
  15. Iliocostalis lumborum actions
    • Unilaterally: ipsilateral. SB the spine
    • Bilaterally: extends the spine
  16. Longissimus capitus PA (Origin)
    TP’s of T1‐4(5) & articular processes C(4)5‐7
  17. Longissimus capitus DA (Insertion)
    mastoid process at post margin
  18. Longissimus capitus innervation
    Posterior rami of lower cervical spinal nerves
  19. Longissimus capitus blood supply
    Muscular branches of the occipital artery, Post. branches of post intercostal a.
  20. Longissimus capitus actions
    • Unilaterally: ipsilateral. Rot of the head
    • Bilaterally: extends the head
  21. Longissimus cervicis PA (Origin)
    TP’s of T1‐4(5)
  22. Longissimus cervicis DA (Insertion)
    TP’s of C2‐6 at post tubercles
  23. Longissimus cervicis innervation
    Posterior rami of cervical and thoracic spinal nerves
  24. Longissimus cervicis blood supply
    Post. branches of post intercostal arteries
  25. Longissimus cervicis actions
    • Unilaterally: ipsilateral. SB of the head
    • Bilaterally: extends the spine
  26. Longissimus thoracis PA (Origin)
    In the lumbar region via a common tendon, (post. aspect of the lumbar TP’s, middle layer of the thoracolumbar fascia)
  27. Longissimus thoracis DA (Insertion)
    Tips of T1‐12 TP’s & lower 9‐10 ribs between the tubercles & angles
  28. Longissimus thoracis innervation
    Posterior rami of thoracic and lumbar spinal nerves
  29. Longissimus thoracis blood supply
    Post. branches of post intercostal arteries
  30. Longissimus thoracis actions
    • Unilaterally: ipsilateral SB of the head
    • Bilaterally: extends the spine
  31. Spinalis capitis PA (Origin)
    Blends with semispinalis capitis
  32. Spinalis capitis DA (Insertion)
    Blends with semispinalis capitis
  33. Spinalis capitis innervation
    Posterior rami of lower cervical spinal nerves
  34. Spinalis capitis blood supply
    Post. branches of post intercostal arteries
  35. Spinalis capitis actions
    Extends the spine
  36. Spinalis cervicis PA (Origin)
    Lower lig nuchae, SP C7
  37. Spinalis cervicis DA (Insertion)
    SP C2
  38. Spinalis cervicis innervation
    Posterior rami of cerv. & thoracic spinal n
  39. Spinalis cervicis blood supply
    Post. branches of post intercostal a.
  40. Spinalis cervicis actions
    Extends the spine
  41. Spinalis thoracis PA (Origin)
    SP’s of T11‐L2
  42. Spinalis thoracis DA (Insertion)
    SP’s of T1‐4
  43. Spinalis thoracis innervation
    Posterior rami of thoracic and lumbar spinal nerves
  44. Spinalis thoracis blood supply
    Post. branches of post intercostal arteries
  45. Spinalis thoracis actions
    Extends the spine

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