Anatomy Exam 1b

  1. Splenius Capitus: origin
    • Ligamentum nuchae
    • SP T1-T3
  2. Splenius Capitus: insertion
    • Matoid process
    • Occipital bone
  3. Splenius Capitus: N/ action
    N: dorsal primary rami

    Extension and lateral flexion of head and neck
  4. Splenius Cervicis: origin
    SP of T3-T6
  5. Splenius Cervicis: insertion
    TP of C2-C4
  6. Splenius Cervicis: N/action
    N: Dorsal primary rami

    Extension and lateral flexion of head and neck
  7. Illiocostalis Lumborum: origin
    Common tendon
  8. Illiocostalis Lumborum: insertion
    Angle of ribs 6-12
  9. Illiocostalis Lumborum: N/action
    N: dorsal primary rami

    • Extend head and vertebral column
    • Lateral flexion of back
    • Rotation to same side
  10. Illiocostalis Thoracis: origin
    lower 6 ribs
  11. Illiocostalis Thoracis: insertion
    Upper 6 ribs
  12. Illiocostalis Thoracis: N/action
    N: dorsal primary rami

    • Extend head and vertebral column
    • Lateral flexion of back
    • Rotation to same side
  13. Illiocostalis Cervicis: origin
    Ribs 3-6
  14. Illiocostalis Cervicis: insertion
    TP of C4-C6
  15. Illiocostalis Cervicis: N/action
    N: dorsal primary rami

    • Extend head and vertebral column
    • Lateral flexion of back
    • Rotation to same side
  16. Longissimus Thoracis: origin
    • SP of L1-L5
    • Common tendon
  17. Longissimus Thoracis: insertion
    Lower 9 ribs
  18. Longissimus Thoracis: N/action
    N: dorsal primary rami

    • Extend head and vertebral column
    • Lateral flexion of back
    • Rotation to same side
  19. Longissimus Cervicis: orgin
    TP of T1-T5
  20. Longissimus Cervicis: insertion
    TP of C2-C6
  21. Longissimus Cervicis: N/action
    N: dorsal primary rami

    • Extend head and vertebral column
    • Lateral flexion of back
    • Rotation to same side
  22. Longissimus Capitus: origin
    Upper part of common tendon where Longissimus Cervicis inserts
  23. Longissimus Capitus: insertion
    Mastoid process
  24. Longissimus Capitus: N/action
    N: Dorsall primary rami

    • Extend the head and vertebral column
    • Lateral flexion of back
    • Rotation to same side
  25. Spinalis Thoracis: origin
    SP of lumbar vertebrae
  26. Spinalis Thoracis: insertion
    SP of upper thoracic vertebrae
  27. Spinalis Thoracis: N/action
    N: dorsal primary rami

    • Extend head and vertebral column
    • Lateral flexion of back
    • Rotation to same side
  28. Semispinalis Thoracis: origin
    TP of lower thoracic vertebrae
  29. Semispinalis Thoracis: insertion
    SP of upper thoracic and lower cervical vertebrae
  30. Semispinalis Thoracis: N/action
    N: dorsal primary rami

    • Rotate vertebral column to opposite side
    • Extend head and neck
  31. Semispinalis Cervicis: origin
    TP of T1-T6
  32. Semispinalis Cervicis: insertion
    SP of C2-C5
  33. Semispinalis Cervicis: N/action
    N: dorsal primary rami

    • Rotate vertebral column to opposite side
    • Extend head and neck
  34. Semispinalis Capitis: origin
    TP of T1-T6
  35. Semispinalis Capitis: insertion
    Occipital bone
  36. Semispinalis Capitis: N/action
    N: dorsal primary rami

    • Rotate vertebral column to opposite side
    • Extend head and neck
  37. Multifidus: N/action
    N: dorsal primary rami

    • Rotate vertebral column to opposite side
    • Extend head and neck
  38. Long Rotators: origin
    TPs
  39. Long Rotators: insertion
    every other SP
  40. Long Rotators: action
    Rotate vertebral column to opposite side
  41. Short Rotators: origin
    TPs
  42. Short Rotators: insertion
    next SP
  43. Short Rotators: action
    Rotate vertebral column to opposite side
  44. Interspinalis: origin
    SPs
  45. Interspinalis: insertion
    SPs of adjacent vertebrae
  46. Interspinalis: action
    Extension of spine
  47. Intertransversarii: origin
    TPs
  48. Intertransversarii: insertion
    TPs of adjacent vertebrae
  49. Intertransversarii: action
    • Stabilization of vertebral column
    • Lateral flexion of vertebral column
Author
lawurster
ID
173145
Card Set
Anatomy Exam 1b
Description
Deep Back Muscles
Updated