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

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

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

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 ...

Build stronger core in 8 minutes with a bodyweight routine that beats long gym workouts and supports posture and balance ...

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 ...

It's one of the PT’s go-tos when training athletes. ‘I've used this exercise extensively in my work with elite British and US ...

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

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.

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 ...

Chris Hemsworth is known for his superhero-sized workouts and with a mid-section as chiselled as his, the 42 year-old clearly still isn’t skipping his core training. However, his latest core move ...