Lesson
Knee Joint Muscles
Action | Flexion | Extension | Lateral Rotation | Medial Rotation |
Muscles | Hamstrings: -Semitendinosus -Semimembranosus -Biceps femoris (both heads) -Gastrocnemius -Gracilis -Sartorius -Popliteus -Plantaris | Quadriceps Femoris: -Rectus femoris -Vastus Lateralis -Vastus Medialis -Vastus Intermedius -Tensor Fascia Lata (primarily keeps extended knee in extension) | -Biceps Femoris | -Semitendinosus -Semimembranosus -Popliteus -Gracilis -Sartorius |