The Life-Fitness Cross Trainer is a Total Body System which exercises all major muscles (Upper and Lower Body) and builds cardiovascular and muscle endurance in one complete workout session. The Cross Trainer allows you to achieve an efficient cardiovascular workout with less perceived exertion. The Cross Trainer has a super smooth, oval-shaped foot motion which results in virtually no impact to the knees or other joints. It offers 9 different programs some of which incorporate the Lifepulse system through either a telemetry strap or contact heart rate grips.