Based on the health Club model, the xr6xi xride recumbent home elliptical has revolutionized seated workouts with greater comfort and effectiveness. Power stroke technology enables exercisers to benefit from up to 3x more glute activity and up to 23% greater caloric burn than recumbent bike riders. The active seat position ensures a custom fit and maximizes muscle use, and workout boosters incorporate intervals and cross training to accelerate results. Advanced interval training programs offer challenges to continue progressing, and smartly technology indicates how hard you’re exercising, if you’re in your target zone and when to prepare for the next interval. And the xr6xi interacts with the smartly app and your tablet to deliver 30, 60 or 90-day workout plans customized to your goals. This compact machine is exceptionally durable and fits anywhere in your home. Source: 2007 St. Cloud university human performance lab Study.