Add Yahoo as a preferred source to see more of our stories on Google. Your favorite ab-building machine at the gym may be causing you more harm than good. That's right—we're talking about the torso ...

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A CSCS trainer shares an 8-minute standing routine that targets abdominal fat after 50 -- no machines or floor work needed.

The Pallof press exercise builds core stability, improves spinal control, and increases your trunk strength without the added ...