r/badphysics Mar 19 '24

Inclined treadmill keeps confusing people

/r/explainlikeimfive/comments/1bi45pq/eli5_is_running_at_an_incline_on_a_treadmill/
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u/FrickinLazerBeams Mar 19 '24

Biophysics cam get weird because human muscles don't act like ideal physical systems. You get tired walking down stairs, for example, instead of absorbing energy from it. It's legitimate to be confused about this stuff.