The Origin Fitness Mechanical Treadmill is a motorless treadmill that creates resistance by using magnetic force. By increasing or decreasing the magnetic pull, you can create a more challenging or less strenuous workout. This treadmill is lightweight and easy to store. The Origin Fitness magnetic resistance treadmill is cheaper than traditional treadmills, but gives you the same type of results. You have to work harder on this treadmill and they may even be better for you to use when it comes to losing weight or gaining greater fitness results.