Combat Abs: 50 Fat-Burning Exercises That Build Lean, Powerful and Punch-Proof AbsOne of the keys to flattening your midsection involves a simple exercise that you can truly do almost anytime and anywhere. You can do it while lying on the couch watching television. You can do it when you are stuck in your car during a traffic jam (don't do it while driving). You can do it while sitting at your desk at work or while taking a bath. All that is required is a focused mind, some deep breathing and concentrated muscle squeezing. Sounds