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.

Core muscles are important in all training forms, whether yoga or martial arts, cardio, or weightlifting. Fitness trainers constantly advise you to use your core muscles in your workout because you ...

The path to core strength is as varied as the number of exercises that build your core system. There are hundreds of exercises from which to select when working to build the core, but this type of ...

Try these four different exercises instead ...

Stop wasting time on crunches. Experts explain why the landmine twist is the superior move for building a chiseled core and protecting your spine.

If you're ready to take the term "training like a warrior" to a literal level, allow us to introduce you to steel mace training. The unbalanced, long-handled weight looks like a brute medieval weapon ...

While everyone likes the look of a sculpted midriff, strong abs are also about supporting your spine, improving posture, and protecting your lower back. The key isn’t endless crunches, but ...

Add Yahoo as a preferred source to see more of our stories on Google. Walk into any gym and you’ll be met with a sea of weight machines. With so many options, it’s easy for even the most seasoned ...

"Nothing will make you feel stronger than pulling something heavy off the ground." ...