The benefits of interval training are many, including: increasing endurance, improving acceleration and speed, and burning more calories in less time. Basically, it makes you more athletic, quicker, and accomplishes what you would on a treadmill in a third of the time! Plus, it revs up your metabolism and keeps you burning fat for hours after your workout is over.
Repeat this abs workout three times a week to burn fat and get toned and defined abs.