The concept of interval training may be scary, particularly if you’re thinking about the latest version of it. After all, HIIT is the acronym for “high-intensity interval training,” and the high-intensity bit sounds like it could be tough. Interval training comes in as many diverse forms as there are exercises themselves, and many people may benefit from it. Precisely, interval training is when you switch between periods of high-intensity exercise and recovery periods of lower intensity exercise. You can turn nearly any activity into an interval session: a gym workout with free weights and other equipment, bike riding—outdoors or stationary, walking and/or jogging outdoors or on a treadmill, or at home with just your body weight. The Benefits of Interval Training If you’re still uncertain, consider this: Interval training may be a powerful and convenient way to support you get fit compared with constant moderate exercise without rest periods. Because…