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Knee Muscles
KNH 244 Quiz 3 Lower Extremities
| Term | Definition |
|---|---|
| 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 |