Punch-Proof Abdominals How I Train Professional Boxers And What You Can Learn From It!    By David Grisaffi, Author, Firm And Flatten Your Abs www.FlattenYourAbs.net Ripped, six pack abs may get admiring looks at the beach or by the pool, ...

Why You Shouldn't Train Abs To Failure And The 3 Keys to Smarter Ab Training By David Grisaffi, Author, Firm And Flatten Your Abs Smart trainees know that progression is the name of the game in fitness and strength training. ...