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 ...

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.

I often assume that a workout is only effective if it leaves me sweaty and breathless. But recently, I've been experimenting with Pilates routines that encourage slow, intentional movement—and I've ...