You might likeHow Often Should I Interval Train?
Going harder, better, faster, stronger is sometimes just what you need to take your fitness game to the next level-and that's where interval training comes in. It's designed to get you fit and burn fat faster (in fact, there's a whole slew of studies that support just how awesome it is).
And though it's easy to find a class that offers interval training at a studio or a gym, sometimes it's just not in the cards to pack into a room with fellow fitness junkies-much less leave your house. The good news? You don't always have to. YouTube has plenty of easy-to-follow interval training routines that you can do in your own living room. These 14 videos will boost strength and get your heart pumping, anytime, anywhere.