A five minute dynamic warm-up can be a booty game changer.
Running your nemesis? You don't have to befriend it to gain results.
Goodshoot via Getty Images
Weight training and good sleep can help.
Turning back the clock isn’t just about wrinkles and fine lines. It’s about staying fit — not just looking it — and keeping your body moving. “A sedentary person hits peak muscle mass at age 20 and it...