Jennifer Aniston has left fans stunned over her athletic level abs while appearing in head-turning photos for her new Smartwater campaign.

Jennifer Aniston is making a splash with her return to Smartwater, showing off her toned figure in a new campaign for the ...

Want to make your abs show in just 2 minutes? This video delivers fast, effective tips to get that six-pack looking ...

Strengthening your core goes beyond just obtaining a six-pack, it can also reduce injury risk and help you hit your next PR. Forget crunches. These ab workouts at home will sculpt the six-pack of ...

In TODAY.com's Expert Tip of the Day, a trainer reveals how she can always tell when a client is neglecting their deep core ...

Pilates keeps your core working the whole time, helping to build strength, improve posture and boost stability. I also think that’s why Reif calls this her “pretty arms and abs” workout. It’s a very ...

The couple use a technique known as high-intensity resistance training (HIRT) to pack a lot of core-strengthening exercises into just 15 minutes. The aim is to train hard for 40 seconds, take a ...

Revanth Reddy, the chief minister of Telangana, shared his tips for staying fit and having six-pack abs — instead of spending ...

For some, Osteoboost might initially evoke TV informercials for gadgets that promise to shock people's abdominal muscles into ...

The world record for the longest plank is an abs-urd 9 hours and 38 minutes for men, and 4 hours and 30 minutes for women.

So, how long should you hold a plank, actually? Experts provide some tips for mastering the plank, as well as some ...