In the video, a man is standing in a gym and demonstrating how to do pull-ups. He starts by grabbing the bar and pulling himself up until his chin is above the bar. He then lowers himself back down to the starting position. The man is wearing a white tank top and gray shorts. The gym is equipped with various exercise equipment, including weights and exercise machines. The lighting in the gym is bright, and the walls are painted in a neutral color. The man's movements are smooth and controlled, indicating that he is experienced with this exercise.