An under-desk treadmill allows you to combine exercise and work.Our top pick is the Goyouth 2 in 1 Under Desk Electric Treadmill for its quality and built-in table.We also found space-saving options, high-tech treadmills, low-impact ellipticals, and more.Visit Business Insider's homepage for more stories.Under-desk treadmills are simple, yet effective fitness and wellness tools to combat the number of hours clocked up sitting at your desk.