Underwater treadmill provides benefits for therapy and fitness Trends and Friends by: Kelsee Pitman Posted: Sep 23, 2020 / 05:24 PM CDT / Updated: Sep 23, 2020 / 05:24 PM CDT LUBBOCK, Texas – Physical Therapy Today has multiple underwater treadmills to help you through your therapy secessions or your fitness goals. It makes it easier on your body while you still can workout.