Fitgurú on MSN

Can you hold a plank this long? If so, your core strength is outperforming your peers over 50

Discover the simple longevity test that reveals if your body is aging better than the average—and how to reclaim your ...
The Amazing Times on MSN

If you can hold a plank this long after 50, your core is stronger than most

A lot of people think core strength is about getting flat abs or making your stomach look more toned. That is part of the ...