Rashelle Mason’s left arm was numb. Her stomach shut down to the point where she no longer could take even small sips of an electrolyte drink from a straw. Her mind started to fight her, too, with ...

DonnaJean Wilde, 59, holds a Guinness World Record for planking for 4.5 hours. She built up to this record by strengthening her core over the course of a decade. Wilde said planking while doing other ...

Learn how to do the one simple, equipment-free exercise that fitness experts recommend for building a strong, stable core ...

58-year-old grandmother of 12 DonnaJean Wilde has set the new Guinness world record for longest abdominal plank by a woman after holding the same position for just over four and a half hours. As ...

TAIPEI (Reuters) - Lying face flat on the ground may not be the world's most glamorous photo pose but two Taiwanese "planking" women have made a name for themselves on the Internet -- and hope to use ...