The video shows a man lying on his back on a gym floor, wearing a grey shirt and black shorts. He is performing a set of sit-ups, lifting his upper body towards his knees and then lowering it back down to the floor. The man's feet are crossed at the ankles, and he is wearing black shoes. The gym floor is black, and there are several kettlebells of varying sizes in the background. The man's movements are steady and controlled, indicating that he is experienced with this exercise.