This simple floor exercise is redefining how Americans train their core—without crunches, machines, or strain on the spine.

IF YOU ARE focused on building a strong, functional core, you need to know what muscles you're working so hard to sculpt. There are the six-pack muscles (the rectus abdominis) trained with spinal ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. Your obliques are the core ...

For on-demand core workouts — plus fitness challenges, meal plans and inspiration — download the Start TODAY app! When we think of core exercises, standard moves like situps and crunches are often a ...

As a certified personal trainer, I always notice how our fitness goals can change as we get older. Many of my younger clients ...

When you think about having a strong core, your first thought might be well-defined abs and a flat stomach, including a chiseled 6-pack. However, the core isn’t just your abs. The core makes up nearly ...

Editor’s note: Dana Santas, known as the “Mobility Maker,” is a certified strength and conditioning specialist and mind-body coach in professional sports, and is the author of the book “Practical ...

Chair exercises for lower belly overhang after 60, with CSCS trainer Jarrod Nobbe's cues and a 5-move routine.

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. Side planks trains your ...

(CNN) — If you want a resilient core, strengthening your six-pack is just the start. Your obliques — the muscles that run along the sides of your waist — may not get the same attention as your ...