Here is a detailed description of the video: The video shows a man using a seated leg press machine at a gym. The man is wearing a gray t-shirt, dark pants, and a watch. He is seated with his feet against the platform and his hands holding onto handles beside the seat. He pushes the platform away from him, extending his legs, and then brings it back towards him, bending his legs. In the background, other people are using treadmills and other exercise equipment. The gym has blue lighting and hardwood flooring. There is a sign indicating the direction of the exit in the background.