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The Knee Joint

Muscle of the Knee Joint (Origins, Insertions, Actions, & Nerves)

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
Created by: pihlma



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