In the video, a woman is seen standing in front of a weight machine. She is wearing a pink long-sleeved shirt and black pants. She then proceeds to demonstrate how to do a proper sit-up. She lies on a black mat on the floor and performs the exercise. The woman's movements are slow and controlled, and she appears to be speaking to the camera, possibly providing instructions or commentary on the exercise. The gym environment is visible in the background, with various pieces of equipment and weights scattered around. The lighting is bright, and the video is clear and well-shot.