A fast, equipment-free assessment designed by strength and lifestyle experts in the U.S. to measure core stability, lower-body strength, and movement control in just seven minutes.

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 ...

This no-movement exercise is one of the most reliable ways to measure core endurance, posture control, and spinal protection—making it a favorite among U.S. fitness professionals.

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 ...

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 more than just achieving sculpted abs—it’s the foundation of movement, balance, and injury prevention. A weak core can lead to poor posture, chronic pain, and decreased athletic ...

Your core is, quite literally, at the center of everything you do. It’s what powers your paddle strokes, allows you to reach for a climbing hold, and makes hoisting a heavy pack and carrying it over ...