A personal trainer outlines five of the best stability ball workouts to lose belly fat and achieve a stronger midsection.

If you need a little variety, strength coach Jim "Smitty" Smith, C.P.P.S., owner of Diesel Strength & Conditioning and Men’s Fitness advisory board member, shares his favorite plank variations and ...

As you enter your 30s, maintaining a strong core becomes increasingly important for overall health, posture, and fitness. A well-developed core not only supports your spine but also enhances balance, ...

At 85, Erika Rischko held a plank for 9 minutes live on TV. Here’s how she trains, why she loves planks, and her advice for staying fit at any age.

Want to work your abs with a yoga ball? We turned to an expert to walk you through the best moves to do—and how to do them. Start incorporating this versatile tool into your strength workouts with the ...

Editor’s note: This is the first installment of an eight-week series geared toward helping Renew readers prepare their bodies and minds to return to normal life this summer, as the pandemic wanes.

Over 45? Hold a forearm plank for 90 seconds with solid form—why it signals elite core strength and how to build up.

When it comes to exercise, if something’s enjoyable and it works, it will become popular. A workout that’s fun and effective will always keep people coming back for more. And judging by trainer ...