Fitness After 40: Your Strong Body at 40, 50, 60, and Beyond

Your body is getting older, those stairs are looking steeper, and your bones are cracking louder. The unavoidable fact is that your body is aging. However, that doesn’t have to impact your fitness level. Forget how many candles were on your last birthday cake—if you exercise smarter, you can remain youthful, energetic, and strong.

As an academic orthopedic surgeon and internationally recognized authority on active...