The video shows a man in a gym performing a single-leg squat exercise. He is wearing a light gray tank top, black pants, and black shoes. He squats with one leg resting on a bench behind him. His arms are extended forward for balance. The gym has a variety of equipment including weight machines, barbells, and weight plates. The floor is covered in black rubber mats, and there is a mirror on the wall. Another person can be seen in the background.