This is an intense trip of high heart-rate metabolic movements. Swap your boxing gloves for dumbbells, barbells, kettlebells and your own bodyweight in high intensity intervals that will fire up your fast twitch fibres and blitz your fitness. This is a super-charged, calorie-crushing, fat-stripping, muscle-building workout to stoke your fat-burning furnace… and change your metabolism for good. You want to get in shape quickly? This is it!