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OIF Knee
| Term | Definition |
|---|---|
| Origin of Sartorius | anterior superior iliac spine |
| Insertion of Sartorius | medial aspect of proximal tibia |
| Function of Sartorius | laterally rotates thigh and abducts thigh |
| Origin of Rectus Femoris | anterior inferior iliac |
| Insertion of Rectus Femoris | patella tendon |
| Function of Rectus Femoris | extends knee and flexes hip |
| Origin of Vastus Lateralis | greater trochanter |
| Insertion of Vastus Lateralis | patella tendon |
| Function of Vastus Lateralis | extends and stabilizes knee |
| Origin of Vastus Medialius | intertrochanter line |
| Insertion of Vastus Medialius | patella tendon |
| Function of Vastus Medialius | extends knee |
| Origin of Vastus Intermedius | anterior and lateral surface of proximal femur shaft |
| Insertion of Vastus Intermedius | patella tendon |
| Function of Vastus Intermedius | extends knee |
| Origin of Gracilis | ischium |
| Insertion of Gracilis | medial surface of tibia condyle |
| Function of Gracilis | adducts thigh and flexes knee |
| Origin of Biceps Femoris | ischial tuberosity |
| Insertion of Biceps Femoris | head of fibula and lateral condyle of tibia |
| Function of Biceps Femoris | extends thigh and flexes knee |
| Origin of Semitendinosus | ischial tuberosity |
| Insertion of Semitendinosus | medial aspect of upper tibial shaft |
| Function of Semitendinosus | extends thigh and flexes knee |
| Origin of Semimembranosus | ischial tuberosity |
| Insertion of Semimembranosus | medial condyle of tibia |
| Function of Semimembranosus | extends thigh and flexes knee |
| Origin of Gastrocnemius | medial and lateral condyle of femur |
| Insertion of Gastrocnemius | achilles tendon |
| Function of Gastrocnemius | flex knee |
| Origin of Gluteus Maximus | ilium, sacrum, and coccyx |
| Insertion of Gluteus Maximus | gluteal tuberosity of femur |
| Function of Gluteus Maximus | major hip extensor |
| Origin of Plantaris | posterior femur |
| Insertion of Plantaris | calcaneous |
| Function of Plantaris | knee flexion |
| What muscles make up the quad muscle group? | Rectus Femoris, Vastus Lateralis, Vastus Medialius, and Vastus Intermedius |
| What muscles make up the hamstrings? | Biceps Femoris, Semitendinosus, and Semimembranosus |