Running blades absolutely store and return elastic energy, making them mechanically efficient. But an 'unfair advantage'? I study this data, and it’s not that simple—they can’t replicate an ankle’s power or adapt to different surfaces like a biological leg. Watching my mother’s tired hands on her sewing machine every night, I know an advantage isn't about a tool, but about who even gets to step onto the track in the first place.
#running#marathon
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