High-intensity interval training (hiit) is a compact training routine that combines high-intensity exercise intervals with active recovery intervals to promote weight loss while enhancing muscle growth. The average hiit routine takes just 20 short minutes and is significantly shorter than traditional cardio routines that can take an hour or longer.These short routines are designed to melt fat off of the body and have been shown in a number of studies to be ...

This audiobook is narrated by a digital voice.High-intensity interval training (hiit) is a compact training routine that combines high-intensity exercise intervals with active recovery intervals to promote weight loss while enhancing muscle growth.The average hiit routine takes just 20 short minutes and is significantly shorter than traditional cardio routines that can take an hour or longer.These short routines are designed to melt fat off of the b...