Elliptical trainers are low impact workout machines that build strength and endurance. Learn the benefits of using this powerful machine with tips from a personal trainer in this free video on elliptical trainers. Expert: Hank Odluski Bio: Hank Odluski has been a personal trainer for over 10 years at The Basic Gym, which is located on 1584 South Palm Canyon Drive in Palm Springs, Calif. Filmmaker: Nili Nathan