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Two things: 1. Genetics that allow their bodies to push harder and recover faster (at the elite level) than an average human. 2. Years upon years of building
by scott_w 4y ago
Two things:
1. Genetics that allow their bodies to push harder and recover faster (at the elite level) than an average human.
2. Years upon years of building up resilience by increasing distance, time, intensity in a semi-controlled manner.
That said, there's millions of people worldwide who run far below the elite level whose bodies don't crumble to bits. It's a total myth that running destroys your knees.