Focusing on one key area of your core could transform your strength and performance.

The “core” refers to the main muscles in the trunk of the body. They help protect the spine, provide stability, and increase strength. Strengthening the core muscles can improve athletic performance, ...

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.

If it’s not enough that steeplechase champion Emma Coburn incorporates core activation exercises into her warmup routine, maybe we can convince you. It’s no secret that core workouts promote better ...

The sit-up has dominated workout routines for decades, but fitness professionals increasingly question whether this familiar movement deserves its place in modern training programs. The issue isn’t ...