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Mar 28, 2013 at 16:50 comment added Stephen Touset What do you propose a person crashing do to protect their spine or ribcage? I don't believe there's anything one can do about those parts of the body, particularly if their hands are preoccupied with the head.
Mar 26, 2013 at 13:28 comment added Kibbee Actually, the last thing you should worry about protecting is your limbs. Head is obviously the first, but before the limbs, there's a lot of other things you should protect. I think the order goes head, neck, spine, torso, then limbs. While you may think that a broken arm hurts, it's way better than getting a broken rib, or even worse, a broken neck. It's usually not a huge problem to fix a broken arm, even though it may put a dent in your cycling season. Also, I've known people would rode with broken arms.
Jan 25, 2013 at 17:21 history edited Tyler Langan CC BY-SA 3.0
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Jan 25, 2013 at 17:12 history edited Tyler Langan CC BY-SA 3.0
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Jan 25, 2013 at 17:04 history edited Tyler Langan CC BY-SA 3.0
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Jan 25, 2013 at 0:20 comment added Stephen Touset Even given the update, I believe that this advice is dangerous and misses the point. When you are involved in a crash, the number one priority is to protect your head. The number two priority is to protect your limbs. Period. Considering the physics of a fall assuming you are a spherical body is irrelevant to the forces experienced in an actual crash, and any reduction in force you experience from extending your deceleration is immaterial unless you are crashing into a solid obstacle like a wall. Your body does not experience significantly more trauma in a 30ft slide versus a 35ft slide.
Jan 11, 2013 at 23:47 history edited Tyler Langan CC BY-SA 3.0
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Jan 11, 2013 at 20:04 comment added Stephen Touset Stated differently, the physics provided considers your body as a singular mass, and recommends an approach that may marginally decrease overall force experienced by your body while significantly increasing the risk substantially higher forces on localized parts of your body (e.g., limbs). Unless you are a perfectly spherical mass (hey, I'm not judging here), this advice gets the physics (mostly) right but completely ignores context.
Jan 11, 2013 at 20:00 comment added Stephen Touset I think the actual advice in this answer is dangerous. First, I remain unconvinced that anything you can do during a wreck will significantly increase or decrease d. But worse, what actually causes serious (non-head) injury in a bike wreck is usually having limbs broken while tumbling. Extending your arms and legs is an extremely bad idea, and will more likely than not contribute to broken limbs.
Jan 11, 2013 at 17:13 vote accept Mohsen
Jan 11, 2013 at 9:45 comment added Unsliced This is a decent answer - but it needs to be a little less sensational. The repetition is fine if you're in a lecture delivering the answer, but as a written piece it could be made shorter and snappier - and better laid out. Worth a +1 but it really needs tightening up.
Jan 11, 2013 at 6:11 history answered Tyler Langan CC BY-SA 3.0