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

The core plays a key role in our overall physical health and daily movement. Not only is this area of the body responsible for maintaining proper posture, stability and balance, but a strong core also ...

A simple medicine ball can transform basic core exercises into a full-body stability challenge. Trainers say this at-home ...

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

Many think of the practice as stretching, but deep core exercises in yoga are one of the "most powerful ways to build ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." That's why it pays to dedicate focused training time on your core. You can start with these ab exercises ...

Build a stronger, leaner core after 50 with 6 standing workouts that tighten your waist, improve posture, and boost strength.

A strong core is essential for balance, posture, injury prevention, and overall functional strength across all age groups.

Maintaining a strong, stable core is among the most common fitness recommendations given to everyone from athletes to people with chronic pain. Terms like "core exercise" and "core activation" get a ...

A typical New Year’s resolution is to exercise more, although where to start can feel daunting. Some opt for a fitness class; others create a plan with a personal trainer or work out from home.

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

If you want a six-pack, it's a mistake to spend too long on ab exercises, a personal trainer said. Instead, prioritize fat loss through compound exercises and a calorie deficit, Patrick Wilson said.