If you want to maximize your efficiency on the run, this workout is for you. It helps to eliminate energy leaks, like excessive rotation, while improving your core stability (your energy center!) and ...

These four exercises recruit your core and challenge your balance ...

A Pilates instructor shares 5 no-equipment core exercises that tighten your waist faster than planks after 55.

A strong core is not only a total flex—literally—it’s key for building total-body strength that carries over into everyday movement. That’s why building one takes more than just aesthetics-focused abs ...

A CSCS trainer shares 5 bodyweight core exercises after 55 that build real strength, no long plank holds needed.

These moves target all of your abdominal muscles and improve balance and mobility.

Add Yahoo as a preferred source to see more of our stories on Google. The thing is, I do like to move. And maybe I wasn't giving the good ol' stationary plank enough credit up until this point. Planks ...

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 ...

Strengthen your core for the long haul.

These deep core exercises will target the most important, but often neglected, part of your midsection to reduce back pain and improve posture. Instead, learn which muscles make up the deep core and ...