1. On a pull up bar, grasp the bar or handles with a wider-than-shoulder-width grip. Your palms should be on the grip facing away from you.
2. Exhale as you pull your body up until your chin rises over the bar.
3. Hold for a count of two and squeeze your back muscles.
4. Inhale as you lower your body, back to your starting position, until your arms and shoulders are fully stretched.