Earlier quoted context omitted.
> Wear a helmet. They not only save you from dangerous environmental situations, but they save you from yourself. Given the CPSC test procedure for bicycle helmets, I seriously doubt it: http://www.helmets.org/cpscstd.htm >> 1203.15 Positional stability test Test that the helmet doesn't roll off when a 8.8 lb weight in a guided free fall from a distance of 2 feet strikes the helmet. >> 1203.16 Dynamic strength of ret…
> Regarding the last test procedure, that would be like testing the helmet on an adult male of average height, where, while standing, suddenly suffered a stroke and fell over With all due respect, do you ride a bike extensively? Because these exact sort of accidents happen all the time. I've fallen sideways from a stationary position several times over the last 5 years as an avid cyclist when I've had lapses in judgm…
In the last 10 years, I've ridden about 10,000 miles give or take.
> Because these exact sort of accidents happen all the time. I've fallen sideways from a stationary position several times over the last 5 years as an avid cyclist when I've had lapses in judgment or focus when declipping from my pedals.
I've never used pedal clips. I do ride in traffic, but I doubt I average more than 15 miles per hour.
> Further, I was struck by a car from behind 2 years ago and lost consciousness, propelled forward several meters, broke several ribs, suffered large abrasions on my back. My helmet suffered dents and scratches, but my head and face were 100% fine. If not for the helmet, I would have 100% suffered from cuts and abrasions to my face
That last sentence doesn't really make sense. Bicycle helmets do not cover one's face. Also, getting hit from behind by a vehicle is the least common type of crash from what I've read.
> The fact that bicycle helmets don't protect you from every type of accident situation is a ridiculous reason to not wear one.
If they were designed in a way that would protect me in most crashes, then I certainly would wear one while riding, but given the standard I referenced, I seriously doubt it.
If FMVSS 209 stated that seat belts in cars were only tested in frontal collisions at speeds of 20 mph or less, then I wouldn't bother wearing them because I know that they wouldn't protect me while I'm driving at highway speeds. Fortunately, that's not the case and I always wear my seat belt while riding in or driving a car.
In the end, the way one rides is far more effective in mitigating the risk of getting involved in a crash (like following the rules of the road, having appropriate equipment, etc.)