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

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 ...

Physical trainers and rehabilitation specialists are increasingly focusing on a critical but often neglected muscle group that could be the key to improved core strength, better posture, and reduced ...

Named after Olympic discus thrower Virgilijus Alekna, the exercise is a core stability drill that targets total-body tension and anti-extension control, according to Daniel Booth, performance coach at ...

Poor form can make planks less effective and slow your progress toward your strength training goals. To add insult to injury, doing planks incorrectly can lead to an actual injury. Let's avoid that.

Discover the simple chair exercises that can help strengthen your back and improve stability after 60, without intense workouts.

Target stubborn back fat with five standing moves that strengthen your back, improve posture, and support healthy weight after 50.