61 years old—yet faster, stronger, and more explosive than most half my age. This is what happens when you train your fast-twitch muscle fibers and never stop moving. Fast-twitch preservation is the real secret to staying young.
Can YOU beat a 40-inch box jump at 61 years old? 💪 Drop YOUR highest jump below!
#longevity #aging #fasttwitch #fitness #over60 #ageless #explosivetraining
#Shorts #BoxJump #AthleticLongevity #Over60Challenge #JumpChallenge
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