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Backwards running will almost certainly never be as fast or efficient as regular running. A study back in 2011 showed that it should takes about 30% more energy to run backwards at a given speed. W...
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#1: Attribution notice removed
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System
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2020-06-01T14:13:57Z (over 4 years ago)
Source: https://worldbuilding.stackexchange.com/a/134101 License name: CC BY-SA 4.0 License URL: https://creativecommons.org/licenses/by-sa/4.0/