Vastus Medialis

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Vastus Medialis
Muscle Type
Origin Lower intertrochanteric line, spiral line, medial linea aspera and medial intermuscular septum
Insertion Medial quadriceps tendon to patella and directly into medial patella, via ligamentum patellae into tubercle of tibia
Action Extends knee. Stabilizes patella
Synergists
Antagonists
Spinal innervation
Peripheral Innervation Posterior division of femoral nerve (L3, 4)
Vasculature