Scientists Uncover 1 Type of Exercise That Burns Fat Without Reducing Muscle Mass

Before we get into the HIIT exercise benefits the researchers found, what actually is HIIT? “High-intensity interval training is a type of exercise training that incorporates high-intensity cardiovascular intervals with active recovery built in between,” explains Karena Wu, D.P.T., board-certified clinical specialist in orthopedic physical therapy and owner of ActiveCare Physical Therapy. “This exercise training allows the body to recover before performing activities that require a lot of energy expenditure.”