MSA 3: LP 3,4,6

  1. What is the origin of the Gluteus Maximus?
    Coccyx, posterior sacrum, posterior iliac crest, sacrotuberous ligament, sacroiliac ligament
  2. What is the insertion of the Gluteus Maximus?
    • Upper fibers - iliotibial tract (IT band)
    • Lower fibers - gluteal tuberosity
  3. What are the actions of the Gluteus Maximus?
    • - Extends hip
    • - Lateral rotation of hip
    • - ABducts hip (upper fibers)
    • - Adducts hip (lower fibers)
  4. What is the depth of the Gluteus Maximus?
    Superficial
  5. What is the tendon type of the Gluteus Maximus?
    Non-ropey
  6. What is the origin of the Gluteus Medius?
    Exteral surface of ilium b/t posterior + anterior gluteal lines, inferior to iliac crest
  7. What is the insertion of the Gluteus Medius?
    Lateral aspect of the greater trochanter of femur
  8. What are the actions of the Gluteus Medius?
    • - ABducts hip
    • - Extends hip (P fibers)
    • - Laterally rotates hip (P fibers)
    • - Flexes hip (A fibers)
    • - Medially rotates hip (A fibers)
  9. What is the depth of the Gluteus Medius?
    • Both
    • - Deep to GluteMax
  10. What is the tendon type of the Gluteus Medius?
    Non-ropey
  11. What is the origin of the Gluteus Minimus?
    External ilium b/t anterior + inferior gluteal lines
  12. What is the insertion of the Gluteus Minimus?
    Anterior border of greater trochanter
  13. What are the actions of the Gluteus Minimus?
    • - ABducts hip
    • - Medially rotates hip
    • - Flexes hip
  14. What is the depth of the Gluteus Minimus?
    Deep (to GluteMed)
  15. What is the tendon type of Gluteus Minimus?
    Non-ropey
  16. What is the origin of the Tensor Fasciae Latae (TFL)?
    External Iliac crest, posterior to ASIS
  17. What is the insertion of the TFL?
    Iliotibial tract (IT band)
  18. What are the actions of the TFL?
    • - Flexes hip
    • - Medially rotates hip
    • - ABducts hip
  19. What is the depth of the TFL?
    Superficial
  20. What is the tendon type of the TFL?
    Non-ropey
  21. What is the origin of the Psoas Major?
    Bodies and TVPs of lumbar vertebra
  22. What is the insertion of the Psoas Major?
    Lesser trochanter of femur
  23. What are the actions of the Psoas Major?
    • ORIGIN FIXED:
    • - Flexes hip
    • - May laterally rotate hip
    • INSERTION FIXED:
    • - Flex trunk
    • - Tilt pelvis anteriorly
    • UNILATERALLY:
    • - Assists w lateral flexion of lumber spine
  24. What is the depth of the Psoas Major?
    Deep
  25. What is the tendon type of the Psoas Major?
    Non-ropey
  26. What is the origin of the Iliacus?
    Iliac fossa
  27. What is the insertion of the Iliacus?
    Lesser trochanter of femur
  28. What are the actions of the Iliacus?
    • ORIGIN FIXED:
    • - Flexes hip
    • - May laterally rotate hip
    • INSERTION FIXED:
    • - Flexes trunk
    • - Tilts pelvis anteriorly
  29. What is the origin of the Quadratus Femoris?
    Lateral border of ischial tuberosity
  30. What is the insertion of the Quadratus Femoris?
    B/t greater + lesser trochanters of posterior femur
  31. What are the actions of the Quadratus Femoris?
    - Lateral rotation of hip
  32. What is the depth of Quadratus Femoris?
    Deep (to GluteMax)
  33. What is the origin of the Piriformis?
    Anterior sacrum, distal to SI jt
  34. What is the insertion of the Piriformis?
    Superior aspect of greater trochanter
  35. What are the actions of the Piriformis?
    • - ABducts femur when hip is flexed
    • - Laterally rotates hip
  36. What is the depth of the Piriformis?
    Deep (to GluteMax)
  37. What is the tendon type of the Piriformis?
    Ropey (@ insertion)
Author
ellen28
ID
90056
Card Set
MSA 3: LP 3,4,6
Description
Anatomy of the lower extremeties
Updated