In the video, a man is seen lying on his back on a mat, holding a pair of dumbbells in his hands. He is wearing a black t-shirt and shorts. The man is performing a set of sit-ups, lifting his upper body off the mat while keeping his legs straight and his arms crossed over his chest. The dumbbells are black and appear to be of moderate weight. The man's facial expression is focused and determined. The background is a simple, unadorned room with a brown floor and white walls. There is no visible title, subtitle, or other informative text in the video.