The unique linear path of the Inspire Fitness Cardio Strider CS3 pedals greatly reduce knee sheer while still engaging all of the user's leg muscles and glutes. The moving handlebars target the large muscles of the upper body for maximum calorie burn and conditioning. Ten preset programs with 20 levels of resistance make the CS3 the perfect full body workout for people of all fitness levels. Attain your fitness goals without compromising your joints. Being fit never felt so good!