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The quadriceps femoris muscle group flexes the thigh at the hip, extends the leg (i.e. straightens the knee), and adducts the leg. The quadriceps are located at the anterior thigh. It is a muscle that reacts with hamstrings and gastrocnemius. The four muscles in this group are the rectus femoris, vastus medius, vatus lateralis, and the vastus intermedius.

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9y ago
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12y ago

The Quadricep is made of 4 muscles on the top of your leg. (Rectus Femoris, Vastus Medialis, Vastus Lateralis, and Vastus Intermedius)

The "Quads" serve to extend the knee, and to a much lesser extent bring your leg forward. Your Quads are utilized while standing from a seated position, while walking, climbing etc.

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Q: What are the functions of the quadriceps?
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