HIIT training on a treadmill doesn’t have to be frustrating. Enter the Horizon 7.8 AT Treadmill. Made specifically for high-intensity intervals, you’re never left waiting for it to adjust. But is the 7.8 AT a one-HIIT wonder? Come with me as we walk, run, sprint, and, yes–HIIT through this Horizon 7.8 AT review. It might not be the first treadmill you’d consider buying, but it might be the one you need.
