An exercise device and methods for performing physical exercise that improve strength, conditioning, and flexibility of an operator in a functional way using multiple body positions and exercising multiple muscle groups while keeping the spine in a safe and natural position, being simple to manufacture and use, and being compact and portable. The exercise device includes an elongated member, a hollow member, handles, a foot board system, and at least one resistance band. A resistance band is secured to the elongated member and the hollow member, and slidable movement of the hollow member and the elongated member relative to each other by the operator stretches a resistance band, which creates resistance to the movement, thereby exercising, strengthening, and conditioning the operator. The operator may use the exercise device in a number of configurations to perform a number of exercises in a number of body positions.