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.

An Indiana Guardsman completes the plank portion of the Army combat fitness test at Camp Atterbury, Indiana, March 15, 2025, during the Best Warrior Competition. (Spc. Katie Dixon/U.S. National Guard ...

Watch as this athlete demonstrates an intense standing ab rollout, showcasing incredible core strength and stability. Using ...

Try pull-and-press exercises with a resistance band to work your core and back. Do bird dogs with a resistance band, using opposite arms and legs. Start with a few reps or five-second holds, then ...

You deserve a better ab workout than crunches. Strength training can help you build an athletic core. Equipment like a slam ball or medicine balls provides a more dynamic workout for gains. Stability ...

In the third installment of our six-part core lab, Tonal Instructors Dr. Liz Letchford & Coach Paul Wright guide you through a workout to maximize your stability. This conditioning workout consists of ...

Background Impaired core stability has been suggested to influence lower extremity functioning and might contribute to the development of acute lower extremity injuries. Prospective studies that ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Dead bugs improve core stability and coordination by ...