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Lower Extremity Quiz

Lower Extremity Quiz. Created by Nick Reinhart 01/09/07 Midwestern AZCOM – Class of 2010. POSTERIOR ABDOMINAL WALL. O: Quadratus lumborum. L5 Transverse process; iliac crest. I: Psoas major. Lesser trochanter of femur. N: Psoas minor. Lumbar plexus. A: Quadratus Lumborum.

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Lower Extremity Quiz

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  1. Lower Extremity Quiz • Created by Nick Reinhart 01/09/07 • Midwestern AZCOM – Class of 2010

  2. POSTERIOR ABDOMINAL WALL

  3. O: Quadratus lumborum • L5 Transverse process; iliac crest

  4. I: Psoas major • Lesser trochanter of femur

  5. N: Psoas minor • Lumbar plexus

  6. A: Quadratus Lumborum • Extends, laterally bends vertebral column

  7. O: Psoas major • Vertebral bodies and transverse processes of T12; L1-5

  8. I: Psoas minor • Pectineal line of pubis

  9. N: Quadratus lumborum • Lumbar Plexus

  10. A: Psoas major • Flexes thigh at hip; stabilizes trunk

  11. O: Psoas minor • Vertebral bodies of T12 and L1

  12. I: Quadratus Lumborum • L1-L4 vertebrae; rib 12

  13. N: Psoas major • Lumbar Plexus

  14. A: Psoas minor • Weak flexor of vertebral column

  15. What is the innervation for quadratus lumborum, psoas major and psoas minor? • Lumbar plexus

  16. GLUTEAL MUSCLES

  17. O: Iliacus • Iliac fossa

  18. I: Piriformis • Greater trochanter of femur

  19. N: Obturator internus • Sacral plexus

  20. A: Obturator externus • Laterally rotates thigh; stabilizes femoral head in acetabulum

  21. O: Superior gemellus • Ischial spine

  22. I: Inferior gemellus • Greater trochanter of femur

  23. N: Quadratus femoris • Sacral plexus

  24. A: Gluteus maximus • Extends, laterally rotates thigh

  25. I: Iliacus • Lesser trochanter of femur

  26. N: Piriformis • Sacral plexus

  27. A: Obturator internus • Laterally rotates thigh; stabilizes femoral head in acetabulum

  28. O: Obturator externus • Superficial surface of obturator membrane and surrounding bone

  29. I: Superior gemellus • Greater trochanter of femur

  30. N: Inferior gemellus • Sacral plexus

  31. A: Quadratus femoris • Laterally rotates thigh; stabilizes femoral head in acetabulum

  32. O: Gluteus maximus • Posterior/medial surface of ilium and iliac crest; posterior surface of sacrum and coccyx; sacrotuberous ligament

  33. N: Gluteus maximus • Inferior gluteal nerve

  34. I: Quadratus femoris • Intertrochanteric crest

  35. O: Inferior gemellus • Ischial tuberosity

  36. A: Superior gemellus • Lateral rotates thigh; stabilizes femoral head in acetabulum

  37. N: Obturator externus • Obturator nerve

  38. I: Obturator internus • Greater trochanter of femur

  39. O: Piriformis • Anterior surface of sacrum

  40. A: Iliacus • Flexes thigh at hip; stabilizes trunk

  41. N: Iliacus • Femoral nerve

  42. A: Piriformis • Laterally rotates thigh; stabilizes femoral head in acetabulum

  43. O: Obturator internus • Deep surface of obturator membrane and surrounding bone

  44. I: Obturator externus • Trochanteric fossa of femur

  45. N: Superior gemellus • Sacral plexus

  46. A: Inferior gemellus • Laterally rotates thigh; stabilizes femoral head in acetabulum

  47. O: Quadratus femoris • Lateral border of ischial tuberosity

  48. I: Gluteus maximus • Iliotibial tract; gluteal tuberosity

  49. N: Piriformis, obturator internus, superior and inferior gemellus, and quadratus femoris • Sacral plexus

  50. Muscles with action, “Laterally rotates thigh; stabilizes femoral head in acetabulum?” • Piriformis, Obturator internus and externus, superior and inferior gemellus, and quadratus femoris (6)‏

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