Life Fitness 90x elliptical cross trainer is one of the industry’s smoothest, most comfortable total-body cardiovascular machines. These elliptical machines feature the most comprehensive line up of cardio training options. Life Fitness’ research-based biomechanics produce the ultimate comfort and results for users. Ready to use for 15 hours per day, this machine is ideal for fitness centers. The Life Fitness 90x is a basic version of the 95x. Although you get less programs with the Life Fitness 90x, you still get the same stable, smooth workout you would get with the 95x.