To clarify, by 'backward' I really mean 'up the stairs'. If you slip while climbing stairs, try to fall forward. It hurts way less to hit the stairs above your feet than the ones below your feet.
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Masterclass: notice the initial fall is straight down to a sitting position. He tumbles in all kinds of ways but he keeps his center of mass as low as possible the whole time.https://www.youtube.com/watch?v=pkgQ88G8Hj8 …
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do not use your ribcage to break your fall, ask me how i know
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. Banned in Sweden. SubGenius, Zhuangist, white-hat troll. Defrocked mathematician. Brain problems.