Body Part: Abs
Equipment: BOSU Trainer
Place the right elbow on top of the BOSU dome, directly under the right shoulder. Stack the shoulders in a straight line over the elbow with the left arm extended above the body towards the ceiling and stack the feet with the left foot on top of the right. Squeeze the muscles of the stomach and glutes, and keep the body in a straight line from head to heels. Hold this position for the desired amount of time before switching to the other side.