STRONGER Month 1 HIIT Workout: FIRE
Sign up at: http://www.livestrong.com/stronger/faster/ FIRE is STRONGER's Month 1 33-minute high-intensity interval training (HIIT) workout, designed to burn the most calories in the shortest amount of time.
Sign up at: http://www.livestrong.com/stronger/faster/ FIRE is STRONGER's Month 1 33-minute high-intensity interval training (HIIT) workout, designed to burn the most calories in the shortest amount of time.