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Quadriceps Femoris
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Muscle Type
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Origin
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Combined rectus femoris and vastus muscles
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Insertion
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Tibial tuberosity
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Action
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Knee extension; Hip flexion (Rectus femoris only)
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Synergists
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Antagonists
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Spinal innervation
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L2, L3, L4
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Peripheral Innervation
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Femoral Nerve
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Vasculature
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