Four quick tests after 50 check balance, leg power, push strength, and grip so you can stay strong and independent.

After 50, strength becomes less about the weight on the bar and more about how well you can move your body. Every push, squat, and hold says something about your endurance, stability, and resilience.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." As recently as a decade ago, weightlifting was reserved for young men with muscles too big to fit inside ...