Friday, December 15th, 2017

TurboFire with Chalene Johnson, featuring High Intensity Interval Training (HIIT), will finally be available to the public later this month. Update 6/16/10: TurboFire was released today! Click here to Get Turbo Fire High Intensity Interval Training will have you working out as hard as possible for brief bursts, followed by a break of equal duration. […]