The Concept2 Model D Indoor Rowing Machine includes the excellent PM5 monitor that provides all vital data. It can display your workout performance in two ways. You can choose to see your workout in total distance and time, or as “splits”. Splits is a way of seeing how your pace is varying along two set points. Either way is useful, but splits give you more of a “real-time”, in the moment calculation of how you are doing.
From a fitness perspective, the WaterRower Natural works 84 percent of your muscle mass, helping tone and strengthen your muscles while burning far more calories than most other aerobic machines. The exercise is also low impact, as it removes all the body weight from the ankles, knees, and hips, but still moves the limbs and joints through a full range of motion--from completely extended to completely contracted.