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Muscle ... Origin ... Insertion ... Action
- Muscle - Rectus Femoris
- Origin - Ilium at Anterior Inferior Iliac Spine (AIIS)
- Insertion - Through the Patella and Patella Ligament onto the Tibial Tuberosity
- Action - Extension of the Knee and Flexion of Hip
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Muscle ... Origin ... Insertion ... Action
- Muscle - Vastus Lateralis
- Origin - Greater Trochanter and Linea Aspera of Femur
- Insertion - Through the Patella and Patella Ligament onto the Tibial Tuberosiy
- Action - Extension of the Knee
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Muscle ... Origin ... Insertion ... Action
- Muscle - Vastus Intermedius
- Origin - Anterior and Lateral Surfaces of Femur
- Insertion - Through the Patella and Patella Ligament onto the Tibial Tuberosiy
- Action - Extension of the Knee
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Muscle ... Origin ... Insertion ... Action
- Muscle - Vastus Medialis
- Origin - Linea Aspera of Femur
- Insertion - Through the Patella and Patella Ligament onto the Tibial Tuberosiy
- Action - Extension of the Knee
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