It was a display of strength that even caught Wilde herself by surprise. "I actually still can’t believe it," she confessed ...

That would be child’s play for DonnaJean Wilde, the new world record holder for a female with the longest time holding an abdominal plank position. On March 21, Guinness World Records officially ...

Forget long plank holds. Learn why proper form and short bursts deliver better core strength and save time during your ...