The 100-year-old is set to be featured in the 2022 edition of the Guinness World Records
His twin sister described him as "fittest, healthiest person I know"
"The worst-performing photos that we see are gym selfies."
It's the unsung secret to health and happiness.
When done right, wrist rolling is a useful recovery and stability-building exercise.
The not-so-sweet truth.
"This is what you'll see at the end of your life if we don't start wearing masks."
But here's why you might feel like it does.
Here's what 36,500 reps did to his body.
Former Navy SEAL and Harvard med school grad Jonny Kim, M.D., relies on two exercises to forge total body strength.