Edmonton, Alberta, Canada / April 26, 2012
Darryl Learie performed a one-armed, one-thumb plank exercise without using his other fingers on a sheet of sandpaper. He remained balanced in position for 29.01 seconds.
NOTE: This record can be dangerous. Please use proper safety precautions.
- may only touch floor with thumb
- must perform attempt on concrete or cement floor
- one sheet of sandpaper permitted for stabilization
- must provide video evidence
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