Running on a Treadmill A treadmill is an exercise device that lets you run, walk, or jog in place. It is popular at gyms and at the home. It helps people remain active even when the weather isn't ideal. Running on a treadmill can help strengthen the thighs and glutes. https://treadmillsforsale54252.madmouseblog.com/5305469/a-guide-to-treadmill-used-for-sale-in-2023