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5 Cards in this Set
- Front
- Back
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Vastus Lateralis
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Origin: Linea aspera
Insertion: Tibial tuberosity via patellar tendon NS: Femoral Nerve Action: Knee Extension |
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Vastus Medialis
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Origin: Linea aspera
Insertion: tibial tuberosity via patellar tendon NS: Femoral Nerve Action: knee extension VMO( Vastus Medialis Oblique)=Inferior portion of VM this allows last 30 degrees of extension and prevents knee from buckeling |
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Vastus intermedius
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Origin: Anterior femur
Insertion: Tibial tuberosity via patellar tendon NS: Femoral nerve Action: Knee Extension |
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Popliteus
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Origin: lateral femoral condyle
Insertion: posterior medial condyle of tibia NS: Tibial Nerve Action: Initiates knee flexion & unlocks "screw home mechanism" |
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Gastrocnemius
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Origin: medial & lateral femoral condyles
Insertion: Calcaneal Tuberosity NS: Tibial Nerve Action: ankle plantarflexion, assist knee flexion |
