You don’t need to get on the floor to challenge your core. A personal trainer’s seated workout is proving that effective ab training can happen right from a chair.

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Add Yahoo as a preferred source to see more of our stories on Google. We all know that regular exercise is key to maintaining a healthy weight. But clocking enough activity is often easier said than ...

If you’re a little hazy on the difference between sit-ups vs. crunches, you’re not alone. They both strengthen your core, but the details on how they differ and the benefits of each can be confusing. ...