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Knee Muscles

KNH 244 Quiz 3 Lower Extremities

Knee flexion - 3 semitendinosus, semimembranosus, biceps femoris
Knee extension - vastus lateralis, vastus medialis, vastus intermedialis, rectus femoir
vastus lateralis - origin intertrochanteric line
vastus lateralis - insertion tibial tuberosity
vastus lateralis - action knee extension
vastus intermedius - origin upper 2/3 of anterior femur
vastus intermedius - insertion tibial tuberosity
vastus intermedius - action knee extension
vastus medialis - origin whole linea aspera
vastus medialis - insertion tibial tuberosity
vastus medialis - action knee extension
popliteus - origin post. lat. femoral condyle
popliteus - action knee flexion/IR
popliteus - insertion post. med. surface of tibia
gastronemius - origin post. femoral condyles
gastronemius - insertion calcaneus
gastronemius - action knee flexion, plantar flexion
soleus - origin upper 1/3 post. tibia and fibula
soleus - insertion calcaneus
soleus - action plantar flexion
Created by: moodym