If you’ve been in a gym lately, you probably have picked up on the fact that High Intensity Interval Training, or HIIT, has become the preferred method used by trainers of fitness classes, whether they be cardio-based dance classes, boot…


If you’ve been in a gym lately, you probably have picked up on the fact that High Intensity Interval Training, or HIIT, has become the preferred method used by trainers of fitness classes, whether they be cardio-based dance classes, boot…