Punchoffyour paunchwithHIIT

We’ve all seen those seemingly aggressive guys in the gym who spring up from a set of bench presses to throw some jabs and hooks at an imaginary opponent. But if they’re doing so to lose fat, they may be on to something – if only they took a more structured approach to their swings. Doing 12 weeks of high-intensity boxing drills helped people reduce body-fat levels by 13.2% and waist measurement by 5.3% in a study published in the BMC Sports Science, Medicine And Rehabilitation journal. They also increased their VO2 max – the measure of cardio fitness – by 16%.