The GoZone sit up bar is perfect for holding your feet down while you perform rep after rep. Think of it as the best workout partner you could have. Designed to attach to most standard doors, this durable sit up bar features an adjustable foot bar that can be moved to fit your feet and height preference. With this bar, you can do full-range sit ups that work your entire core. Meet your fitness goals, with a little help from the GoZone sit up bar.