1. Rectus Femoris Origin Anterior inferior iliac spine Insertion Tibia tuberosity via patella tendon Action - Knee extension
- Hip flexion
2. Vastus Lateralis Origin Superior portion of intertrochanteric line, anterior/inferior borders of greater trochanter and superior portion of lateral lip of linea aspera Insertion Tibia tuberosity via patella tendon Action 3. Vastus Medialis Origin Intertrochanteric line, medial lip of linea aspera and med intermuscular septum Insertion Tibia tuberosity via patella tendon Action 4. Vastus Intermedius(not pictured, resides below rectus femoris) Origin Anterior and lateral surfaces of the femur Insertion Tibia tuberosity via patella tendon Action
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