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 Insertion Action ilium - anterior superior
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. Origin Insertion Action pectineus yellow pubis femur 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. Origin Insertion Action gracilis pink Pubis Tibia, medial proximal
adduct hip
flex knee
medially rotates tibia