Bryan Johnson(@bryan_johnson):In 51 days: > 37% reduction in ground contact time > from 267 ms to 167 ms > 87% improvement in reactive strength > 45% reduction in knee valgus under impact > transitioned muscular braking to achilles tendon recoil I'm 49 years old and I'm training to dunk for the first time in my life.

Bryan Johnson

@bryan_johnson

Founder Immortals, Blueprint, Kernel, Braintree Venmo. Conquering death will be humanity’s greatest achievement.

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Bryan Johnson@bryan_johnson

2026.09.11 19:54

In 51 days: > 37% reduction in ground contact time > from 267 ms to 167 ms > 87% improvement in reactive strength > 45% reduction in knee valgus under impact > transitioned muscular braking to achilles tendon recoil I'm 49 years old and I'm training to dunk for the first time in my life.