Canadian athlete Dana Glowacka maintained the core-crushing position for more than 4 hours, but everyday plankers should aim to do more with less.

Watch This Woman Set a New World Record for the Longest Plank Hold

Last year, athlete and extreme planker Dana Glowacka set a new world record in the female category for "Longest Time in an Abdominal Plank Position," lasting an agonizing 4 hours 19 minutes 55 seconds. Glowacka, who hails from Montreal, Canada, broke the reco… [+2015 chars]

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