Do you need to strengthen your core? If you've ever had a baby, if you spend a lot of time sitting, if you have pain or soreness, if you have a fitness goal or want to move safely and efficiently ...

The advice is common — and vague. Here’s how to do it properly. By Hilary Achauer When I began weight lifting in my late 30s, my coaches often gave me a somewhat baffling cue. “Engage your core,” they ...

(CNN) — 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 ...

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.

Case in point: You rely on your core muscles to carry you through the miles. And research shows that core strength training can improve the force you put into your steps, your overall energy transfer, ...

Editor’s note: Before beginning any new exercise program, consult your doctor. Stop immediately if you experience pain. A typical New Year’s resolution is to exercise more, although where to start can ...

You've probably heard a personal trainer or group workout instructor say, "activate your glutes" at some point in a sweat session. But what does that phrase actually mean–and how do you even activate ...