An editor did daily core exercises for two weeks. Here, she unpacks the results with the help of fitness experts.

Core strength after 65 shows up in the moments that don't look like exercise—standing tall while loading groceries and steadying yourself on uneven sidewalks and reaching overhead without losing ...

I’m so bored of seeing sit-ups featured in so many workouts — yes, they build stronger abs, but are they really the best exercise for abs or core strength? Absolutely not. Whenever I’m asked what ...