An exercise bar for motocross muscle development. One embodiment has a bar and a special rocker member for use on floor exercises. A second embodiment has a spring-loaded pivot hub. That embodiment also has folding handgrips that make the device easy to story and carry. Both embodiments have handgrip eyes that can support the ends of the bar for a number of different exercises. Both embodiments have an eye that can support the handlebar as well. A sliding hook can be used to can carry weights and can act as a support when the device is used on a floor. The rocker member is an important feature that allows a user to do intensive push-up type exercises using the bar.