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Existing humanoid robots are programmed to run forefoot-first without heel striking

An observer noted that existing humanoid robots are programmed to run like barefoot runners: they do not heel-strike, but instead contact the ground with the forefoot first. The relevant clip appears at 2:59 in the video. This method is considered the most efficient way to run, which also highlights the relatively low efficiency of the heel-striking style that most human runners are accustomed to.

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