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Muscles of the Leg

Muscles of the Leg. Posterior Thigh. Hamstring semimembranosus orange. Origin ischium Insertion medial tibia Action flex knee. Hamstring semitendinosus purple. Origin ischium Insertion medial tibia Action flex knee. Hamstring bicep femoris pink. Origin ischium femur

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Muscles of the Leg

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  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

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