We've combined cardio and strength training in one machine. AeroStrength is uncomplicated yet it produces phenomenal results in less time than other exercise equipment. Sports coaches and athletic trainers have been using hydra gym hydraulic fitness machines to increase aerobic power since the 60's. Millions of women have enjoyed the 30-minute circuit workout gym and the quick weight loss results. Seniors love the ease of use and simplicity of fluid resistance exercise machines. Physical Therapists have been using hydra fitness equipment since the 70's. And everyone, including home-exercise enthusiasts, like the space savings advantage of this unique line of hydraulic exercise equipment called AeroStrength. If you're looking for fitness equipment that's easy to use and safer than conventional gym equipment, look no further.