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The Knee Joint
Muscle of the Knee Joint (Origins, Insertions, Actions, & Nerves)
Question | Answer |
---|---|
Origin of Vastus Intermedius | Upper 2/3 of anterior surface of femur |
Insertion of Vastus Intermedius | Upper border of patella & patella tendon to tibial tuberosity |
Action of Vastus Intermedius | Extension of the knee |
Innervation of Vastus Intermedius | Femoral nerve |
Origin of Vastus Lateralis | Greater trochanter & linea aspera |
Insertion of Vastus Lateralis | Lateral border of patella & patella tendon to tibial tuberosity |
Action of Vastus Lateralis | Extension of knee |
Innervation of Vastus Lateralis | Femoral nerve |
Origin of Vastus medialis | Linea aspera & medial condyloid ridge |
Insertion of Vastus medialis | Medial half of upper border of patella & patellar tendon to tibial tuberosity |
Action of Vastus medialis | Extension of the knee |
Innervation of Vastus medialis | Femoral nerve |
Origin of Popliteus | Posterior surface of lateral condyle of femur |
Insertion of Popliteus | Upper posterior medial surface of tibia |
Action of Popliteus | Internal rotation of the knee as it flexes |
Innervation of Popliteus | Tibial nerve |