Data on head injury and spinal injury rates due to motorcycle crashes does not seem to be publicly published, even assuming it is recorded.
However, your neck was designed only to carry the weight of your head. Simple physics dictates that adding 2 kg must have some effect on the structure.
The same applies to the severity of head injuries.
If we accept that a helmet mitigates the effects of an impact, we must also accept that there will be some injuries that would have resulted in brain injury to the point of death, that now result in brain injury to the brink of death.
I accept that it can't be directly demonstrated, as I can't find any direct data.
What I can find is that motorcycle death rates remained stable from the 60's through to the 80's.
But by the late 70's spinal injury rates had reached the point where we needed dedicated spinal units (1977 Otara) and 1979 (Burwood).
If you have ever been unfortunate enough to visit either of these places, you will find a good percentage of patients were motorcyclists.
It is not my view that helmets are of no value.
It is my view, that if you ride down the road helmet-less, and feel vulnerable, that is because you are.
It is also my view that if you ride down the road helmeted and feel invulnerable, that you should have a rethink, as statistically you are only a little safer than when helmet-less .
David must play fair with the other kids, even the idiots.
I agree that helmets are of value. When they became compulsory I swore I would never ride with a full-face bucket. I finally got one when I moved to Wellington and had to commute in that gawd-awful weather. At least I got to work reasonably dry.
The first time I dumped a bike with a full-face helmet on the chin piece looked like someone had taken an angle-grinder to it. That would have been my face in an open-face helmet. So I've never ridden without a full-face since. Dropped a bike badly since then - and was very thankful for the full-face helmet - the helmet was badly damaged, but I walked away (well, limped away) and only had mild concusion.
Davereid: I agree the stats you gave us don't completely support the value of helmets and there is an increase in deaths after that initial period ... but as I said, that was a time when there was an increase in bikes on the road as people bought them for cheap transport, so a full comparison of deaths per 100 bikes on the road would show a better picture.
Regardless - Helmets save lives and I would not ride without one ever again.
"So if you meet me, have some sympathy, have some courtesy, have some taste ..."
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