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Muscles of the Leg - PowerPoint PPT Presentation

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Muscles of the Leg

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Presentation Transcript

  1. Muscles of the Leg Posterior Thigh

  2. Hamstring semimembranosus orange • Origin • ischium • Insertion • medial tibia • Action • flex knee

  3. Hamstring semitendinosus purple • Origin • ischium • Insertion • medial tibia • Action • flex knee

  4. Hamstring bicep femoris pink • Origin • ischium • femur • Insertion • fibula • Action • flex knee

  5. Muscles of the Leg Anterior Thigh

  6. Sartorius green • Origin • ilium - anterior superior • Insertion • medial tibia • Action • flex hip • flex knee • laterally rotates hip

  7. Quadraceps femoris rectus femoris grey • Origin • ilium - anterior inferior iliac spine • Insertion • quadraceps tendon into patella • Action • extend knee • flex hip

  8. Quadraceps femoris vastus lateralis light blue • Origin • Femur – greater trochanter • Insertion • quadraceps tendon into patella • Action • extend knee • can displace patella

  9. Quadraceps femoris vastus intermedius purple • Origin • femur – anterior, lateral • Insertion • quadraceps tendon into patella • Action • extend knee

  10. Quadraceps femoris vastus medialis navy blue • Origin • femur • Insertion • quadraceps tendon into patella • Action • extend knee

  11. iliopsoas red • Origin • Inguinal ligament • Insertion • femur • Action

  12. pectineus yellow • Origin • pubis • Insertion • femur • Action • flex hip • adduct hip • medially rotates hip

  13. adductor longus orange • Origin • pubis • Insertion • femur • Action • flex hip • adduct hip

  14. adductor magnus light blue • Origin • Pubis • ischium • Insertion • linea aspera • Action • adduct hip

  15. gracilis pink • Origin • Pubis • Insertion • Tibia, medial proximal • Action • adduct hip • flex knee • medially rotates tibia