HIIT Matters: EPOC Afterburn

Personal trainer Ashley Borden has worked with a range of celebrities, including Ryan Gosling, Reese Witherspoon, and Christina Aguilera. She clearly knows her stuff, and she’s sharing her tips in a new interview with Healthista. Among Borden’s go-to exercise methods is high-intensity interval training, better known as HIIT, a training method that encourages people to work out at…