20 Minute StairMas…By Hassan Sumroo / February 19, 2019 Work up a sweat with this quick and effective 20 minute StairMaster HIIT workout! Your legs will be burning and your heart will be pumping. Source by sarah0819 Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Pinterest (Opens in new window)MoreClick to share on Tumblr (Opens in new window) Related