Winter will leave us soon but those extra kilos you have put on during the festival season won’t go easily. If you’re looking for the most efficient ways to get in shape before the summer kicks in try high-intensity interval training. High-intensity interval training or HIIT is known for burning maximum calories in a minimum amount of time. It can burn 25 to 30 percent more calories than resistance training cycling and treadmill running according to researchers. In addition HIIT helps you build strength improve heart health lower blood pressure and even increase your metabolism and calorie burn post-exercise (also