Med-Fit Systems 2009 M1 Water Rower  Rowing and the WaterRower is totally non impact and hence does not put any unnecessary stress on the joints. WaterRowing is a seated exercise removing all the body weight from the ankles, knees and hips. The WaterRower also moves the limbs and joints through a full range of motion, form completely extended to completed contracted. Working the joints in such a way enhances joint lubrication and can help relieve joint ailments. "One of the main advantages of rowing outdoors or using a WaterRower machine is the sitting position of rowing which removes the exerciser's body weight from the injury-prone hip, knee and ankle joints and therefore reduces the potential of impact injury to these joints commonly associated with aerobic exercise." 1.800.831.7665 1.800.831.7665