A PT explains what these numbers actually mean, and why quality reps and proper form matter more than chasing high totals ...

Sit-ups and crunches both target your core muscles, but work differently. You can use both exercises to build strength, endurance, and control.

Lie on your back with your knees bent and feet flat on the floor, about hip-width apart. Lift your hips up in the air with ...

Start on your back with your arms straight above you, and your knees in a tabletop position. Engage your abs, then raise your ...

These 5 chair moves target lower abs and obliques to help tighten your midsection and improve posture after 50.

Want that Greek-god chiseled core that looks perfect? It takes consistent effort and disciplined training. Men usually need a ...

ON THE BACKSIDE of each of your upper arms is an unsung hero. With the right amount of consistent, balanced strength training, you can give it the attention it deserves—and in doing so, stretch the ...

This Japanese exercise technique helps get rid of stubborn belly fat – and it takes just minutes to do each day ...

See how 5 standing moves flatten lower belly pooch after 50 by training your core, hips, and posture more effectively than ...

Stubborn belly fat can be tackled with simple home exercises. Crunches, planks, Russian twists, high knees, and squat jumps ...

Unlike a warmup, which increases blood flow to working muscles, an activation routine is a specific set of exercises designed ...

In TODAY.com's Expert Tip of the Day, a trainer reveals her favorite exercise for a more defined waistline and strong core ...