“This workout is great for those who want quick fitness results, like wanting to lose weight fast or for people like me, who want to build their muscles,” says Yee.
There is truth in this statement as research has found that HIIT burns 25-30% more calories than other forms of exercises in a shorter time. Due to the intensity of the workout, HIIT can even elevate your metabolism for hours after exercise. This results in additional calories being burned even after you have finished exercising.
In addition to increased fat burning and more muscle preserved, HIIT stimulates production of your human growth hormone (HGH) by up to 450 percent during the 24 hours after you finish your workout.