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 ...
According to Guinness World Records, the “longest time in an abdominal plank position” is eight hours, 15 minutes and 15 seconds and was completed by former Marine George Hood in Naperville, Illinois ...
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