The knee is one of the largest joints in the body, and one of the most common sites of pain. The primary muscles of the knee are the quadriceps, located at the front of the thigh, and the hamstrings, located at the back of the thigh. While other muscles do their part to help stabilize the knee, these two large muscle groups are responsible for bending and straightening the leg.
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Learn more about the muscles around your knees and how to strengthen them using our expert curated exercises.