Abcentrics teaches you Brett’s proven technique for firing your abs to get maximum results. Master this, and you’re on your way to an awesome six-pack

Strength training is essential if you want great abs. Strong, lean muscles are your best friends in the fight against fat.

Short but tough, this ab workout pushes you hard and leaves you begging for mercy.

Scorch calories with explosive cardio intervals and Brett's Six-Pack moves, his signature ab circuit that works your core from 6 different angles for 6 times the results.

Rev up your metabolism with high-intensity cardio that includes intervals of lower-body resistance moves. You'll melt belly fat, sculpt lean legs, firm your glutes, and work your abs—all at the same time.

Feel the burn with new ab and cardio combinations that will have your heart pounding and your abs screaming.

Kick up the intensity with lower-body resistance moves and even more extreme cardio for increased belly-fat burning

Rock-hard abs, meet rock-hard body. This total-body workout defines your abs and sculpts your entire body.

Make your abs pop with this 15-minute ab shredder. Brett ups the intensity and shows your core no mercy.

Forget boring treadmills. This workout is spiced with capoeira and kickboxing moves to burn the fat off your abs and your entire body.

Shift into high gear with hard-core intervals that will rev up your results. Go longer and harder.

Go for all-out intensity in this fully charged ab workout that will blast the fat and make your midsection rock-solid.