Maintaining a strong, stable core is among the most common fitness recommendations given to everyone from athletes to people with chronic pain. Terms like "core exercise" and "core activation" get a ...

Put simply, good core stability is one of the most effective ways to prevent injuries and improve running efficiency. The groups of muscles that make up your core section provide essential support so ...

If you want to strengthen your core, doing hundreds of crunches won't help. In fact, you should stop doing crunches because they aren't good for your back. If you want a strong core, you've got to ...

Core training has always been part of military PT and fitness testing. From crunches to sit-ups, flutter kicks, leg tucks and plank poses, the U.S. military uses many exercises to test core strength.