DonnaJean Wilde, 58, set the Guinness World Record for holding the longest plank for a female with 4 hours, 30 minutes and 11 seconds Vanessa Etienne is a Staff Writer for PEOPLE on the Health team.
Next time your trainer asks you to hold a dreaded minute-long plank, just remember: Your grandma can do it for much longer — well, maybe not yours, but somebody's. DonnaJean Wilde, a grandmother of 12 ...
A grandmother from Massachusetts has just set a new world record for holding a plank for longer than five minutes. Sarah Blackman, who was inspired to work on her strength and fitness two years ago ...
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