The Firm Express

The Firm Express is a 30 day fitness program that contains 12 twenty minute workouts and 2 bonus 10 minute workouts. The workouts in this program are based on a specific HIIT protocolĀ of 8 seconds of high intensity work followed by 12 seconds of recovery, repeated 4 times. The 8:12 HIIT protocol is supposed to … Continue reading The Firm Express