Simulates Walking and Running with Zero Impact on Knees and Joints. 10 Minutes of work-out in Orbitrek Elite is 300% more effective than 10 Minutes of walking. Total Body work-out. Targets arms, shoulders, chest, abdomen, back and thighs. Combines slimming & muscle sculpting. Certified to give Cardio- vascular workout. Highly recommended by Doctors. Reverse movement, to target different muscle groups. Turn & Burn resistance - burn a maximum of 820 calories in 1 Hour.