LAB 1

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Author:
juliagoolia299
ID:
128621
Filename:
LAB 1
Updated:
2012-01-19 09:38:50
Tags:
back muscles
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Description:
muscle action innervation proximal attachment distal attachments
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  1. serratus posterior superior proximal attachment
    ligamentum nuchae and spinous processes of C7-T3
  2. serratus posterior superior distal attachment
    superior border ribs 2-4
  3. serratus posterior superior innervation
    T1-T4 spinal nerves and 2nd-5th intercostal nerves
  4. serratus posterior superior main action
    elevates ribs & proprioception
  5. serratus posterior inferior proximal attachment
    spinous processes of T11-L2
  6. serratus posterior inferior distal attachment
    inferior border of ribs 9-12
  7. serratus posterior inferior innervation
    spinal nerves T9-T12
  8. serratus posterior inferior main action
    depresses ribs
  9. splenius capitis proximal attachment
    nuchal ligament, spinous process C7-T3
  10. splenius capitis distal attachment
    mastoid process of temporal bone and lateral third of superior nuchal line
  11. splenius capitis innervation
    middle cervical nerves (dorsal rami of spinal nerves)
  12. splenius capitis main action
    • bilaterally: extends head
    • unilaterally: laterally bends (flexes) and rotates head toward same side
  13. splenius cervicis proximal attachment
    spinous process T3-T6
  14. splenius cervicis distal attachment
    Transverse process C1-C3
  15. splenius cervicis innervation
    lower cervical nerves (dorsal rami of spinal nerves)
  16. splenius cervicis main action
    • bilaterally: extends neck
    • unilaterally: laterally bends (flexes) and rotates neck toward same side
  17. iliocostalis proximal attachment
    thoracolumbar fascia, spinous processes of lumbar and sacral vertebra, iliac crest
  18. iliocostalis distal attachment
    angles of lower ribs and cervical transverse processes
  19. iliocostalis innervation
    respective spinal nerves of each region (dorsal rami of spinal nerves)
  20. iliocostalis main action
    extends and laterally bends vertebral column
  21. longissimus proximal attachment
    thoracolumbar fascia, spinous processes of lumbar and sacral vertebra, iliac crest
  22. longissimus distal attachment
    between tubercles and angles of ribs, transverse processes of thoracic and cervical vertebra, mastoid process
  23. longissimus innervation
    respective spinal nerves of each region (dorsal rami of spinal nerves)
  24. longissimus main action
    extends and laterally bends vertebral column and head
  25. spinalis proximal attachment
    thoracolumbar fascia, spinous processes of lumbar and sacral vertebra, iliac crest
  26. spinalis distal attachment
    spinous processes of upper thoracic and midcervical vertebra
  27. spinalis innervation
    respective spinal nerves of each region (dorsal rami of spinal nerves)
  28. spinalis main action
    extends vertebral column
  29. semispinalis capitis proximal attachment
    transverse processes of C7-T6
  30. semispinalis capitis distal attachment
    superior & inferior nuchal lines, spinous processes of cervical and thoracic regions
  31. semispinalis capitis innervation
    respective spinal nerves of each region (dorsal rami of spinal nerves)
  32. semispinalis capitis main action
    extends head and neck, laterally flexes head, unilaterally contralaterally rotates neck
  33. semispinalis cervicis proximal attachment
    transverse processes of T6-T12
  34. semispinalis cervicis distal attachment
    spinous processes of cervical and thoracic regions
  35. semispinalis cervicis innervation
    respective spinal nerves of each region (dorsal rami of spinal nerves)
  36. semispinalis cervicis main action
    extends neck and unilaterally contralaterally rotates neck
  37. multifidi proximal attachment
    sacrum, ilium, and transverse processes of T1-T12 and articular processes of C4-C7
  38. multifidi distal attachment
    spinous processes of vertebrae above, spanning two to four segments
  39. multifidi innervation
    respective spinal nerves of each region (dorsal rami of spinal nerves)
  40. multifidi main action
    stabilizes spine during local movements
  41. rotatores proximal attachment
    transverse processes
  42. rotatores distal attachment
    lamina and transverse process or spine above, spanning one or two segments
  43. rotatores innervation
    respective spinal nerves of each region (dorsal rami of spinal nerves)
  44. rotatores main action
    stabilize, extend, and rotate spine
  45. levator costarum proximal attachment
    transverse processes T7-11
  46. levator costarum distal attachments
    subjacent ribs between tubercle and angle
  47. levator costarum innervation
    posterior primary rami of C8-T11 nerves
  48. levator costarum main action
    elevate ribs
  49. rectus capitis posterior major proximal attachment
    spinous process of C2 (axis)
  50. rectus capitis posterior major distal attachment
    lateral part of inferior nuchal line of occipital bone
  51. rectus capitis posterior major innervation
    suboccipital nerve (C1)
  52. rectus capitis posterior major main action
    extends head and rotates ipsilaterally
  53. rectus capitis posterior minor proximal attachment
    tubercle of posterior arch of atlas (C1)
  54. rectus capitis posterior minor distal attachment
    median inferior nuchal line
  55. rectus capitis posterior minor innervation
    suboccipital nerve (C1)
  56. rectus capitis posterior minor main action
    extends head
  57. obliquus capitis superior proximal attachment
    atlas (C1) transverse process
  58. obliquus capitis superior distal attachment
    occipital bone
  59. obliquus capitis superior innervation
    suboccipital nerve (C1)
  60. obliquus capitis superior main action
    extends head and bends it laterally
  61. obliquus capitis inferior proximal attachment
    spine of axis (C2)
  62. obliquus capitis inferior distal attachment
    atlas (C1) transverse process
  63. obliquus capitis inferior innervation
    suboccipital nerve (C1)
  64. obliquus capitis inferior main action
    rotates atlas (C1) to turn face ipsilaterally

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