The 3 Best StairMaster StepMills 2019 Edition
Unlike vibrating belt machines or those springy chest expanders that are gathering rust in your basement, StairMaster StepMill machines are by no means fading into obscurity. In fact, data from a company that tracks gym equipment use shows that StairMaster StepMills are used more times than other cardio equipment next only to the treadmill in […]