Darryl Learie performed a four-finger [plank exercise] without using
his thumbs or pinkies while carrying 50 pounds of additional weight on
his back. He remained balanced in position for 24.32 seconds. :
Flavio Codrin, a man over the age of 70, performed 1,200 push-ups in one
hour while carrying an additional 40 pounds of weight on his back.
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