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Video Footage: Male Human Skeleton Anatomy. 3D Render

ID 278036959 © Paihub | Megapixl.com

The knee joint is formed by the femur (thigh bone), tibia (shin bone), and patella (kneecap). The ends of these bones are covered in articular cartilage, which provides a smooth surface for the bones to glide against each other during movement.The knee joint is also surrounded by several muscles, which work together to support and stabilize the joint. Some of the key muscles that are involved in knee movement and stability include:Quadriceps: A group of four muscles located in the front of the thigh that work together to extend the knee. These muscles include the rectus femoris, vastus lateralis, vastus intermedius, and vastus medialis.Hamstrings: A group of three muscles located in the back of the thigh that work together to flex the knee and extend the hip. These muscles include the biceps femoris, semitendinosus, and semimembranosus.Gastrocnemius: A muscle located in the back of the calf that works to flex the knee and plantarflex the foot (pushing the foot downward).Popliteus: A small muscle located at the back of the knee joint that helps to unlock the knee joint during the initial stages of knee flexion.

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