An exercise system and method for performing various exercises, including a seated abdominal exercise. The exercise system includes an elongated, rigid bar having a first end and a second end, wherein a first and second ring fastener are disposed on each end and a third ring fastener is disposed therebetween. Various exercise attachments are removably securable to each ring fastener, such as elongated straps, a pull bar, resistance bands, and the like. The exercise system allows a user to manipulate the exercise attachment in a particular direction while applying opposing force to the elongated bar using his or her feet pressed thereagainst in order to build muscle, stretch, perform isometric exercises, physical therapy, and the like.