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 strength is essential to your overall fitness game and health. Trainers reveal why it's the body part you should focus on when you're short on time. “If you want to maximize your training when ...

Zumba Fitness Core is an energized dance-fitness party game featuring choreography specifically designed to deliver tight and toned abs as well as an effective total-body workout.

Depending on your fitness level, you can use this to get started or give yourself an easy day. This workout gets the heart pumping and works the entire core system (from hips to shoulders), which is ...

(Mass Appeal) – It’s time for Fitness Friday where we are getting off the couch and building a six pack kind of. Here to show us how to build a strong core is personal trainer and fitness expert, ...