In the video, a person is holding a human knee joint model and pointing to different parts of it. The model is realistic and shows the bones, muscles, and ligaments of the knee. The person uses a stick to point out specific parts, such as the patella, tibia, fibula, and femur. They also point to the muscles, such as the quadriceps and hamstrings. The video is shot in close-up, allowing for a detailed view of the model.