Is cycle helmet promotion warranted? DK v NL data

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Steady rider
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Re: Is cycle helmet promotion warranted? DK v NL data

Post by Steady rider »

https://www.ox.ac.uk/news/2018-01-18-bl ... w-research

With cycle helmets incurring more blows compared to cycling without one, it tends to show the number of impacts for helmet wearers should be considered.
The concussion is the red herring here. Our results may explain why approximately 20 percent of athletes with CTE never suffered a diagnosed concussion. These findings provide strong evidence – the best evidence so far, that sub concussive impacts are not only dangerous but also causally linked to CTE.
I think more research on concussion and sub concussion is probably needed.
https://www.theguardian.com/sport/2022/ ... in-disease
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pjclinch
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Re: Is cycle helmet promotion warranted? DK v NL data

Post by pjclinch »

Cycling head whacks are few and far between, helmet or not. If that were not the case the market for one-shot-helmets wouldn't be there, but it's almost the entire basis of all helmet sales.
Often seen riding a bike around Dundee...
Jdsk
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Re: Is cycle helmet promotion warranted? DK v NL data

Post by Jdsk »

NB date.

"‘The brain is very vulnerable’: Dutch cyclists urged to wear helmets as road deaths rise":
https://www.theguardian.com/world/artic ... eaths-rise

Jonathan
cycle tramp
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Re: Is cycle helmet promotion warranted? DK v NL data

Post by cycle tramp »

Jdsk wrote: 16 Jun 2024, 1:12pm NB date.

"‘The brain is very vulnerable’: Dutch cyclists urged to wear helmets as road deaths rise":
https://www.theguardian.com/world/artic ... eaths-rise

Jonathan
...yeah, but it's really badly written.. starting of with 'x says that's its important to wear a helmet to avoid brain injury - something she knows only to well because her mother died was cycling when a car collided with her on a 'roundabout' - thus implying if her mother had worn a helmet she would have been completely fine... and the helmet might have even allowed her to grow a new kidney or something....
..as apposed to the proper response which is; 'why didn't the £#x&!^@ car driver look where they were going - it's the Netherlands for gods sake, when isn't there ever a bicycle?'
..the article then drivels on about how if everyone whoever merely glanced at a bicycle wore a helmet, 87 lives a year would be saved - which meant that people would have to find something else to die of....
..nothing about the root cause of the increase of collisions which perhaps might be reduced with compulsory training for those people wishing to use e- bikes.... things like looking over your shoulder before changing direction, and watching your speed where you can't see whats infront of you, would be my first pointers... along with asking questions like 'legally you're too blind to be allowed to drive, do you think riding an e-bike is a good idea?'... and 'your reaction times have been measured in hours- do you really really think you can ride without causing a hazard to others?'
...I look forward to reading how 'road deaths can be reduced by wrapping someone in cotton wool, nailing them in a box and never letting them out' can improve road safety...
This is Susan.... at the age of 18 we sealed her in a box, and didn't let her out. She hasn't died in a road collision. Which shows the idea worked. At the age of 80 we opened the box again. The mark ii box will have air holes. Sorry Susan...
'Everybody is a genius - but if you judge a fish on its ability to climb a tree it will live its whole life believing it is stupid' Albert Einstein
Steady rider
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Re: Is cycle helmet promotion warranted? DK v NL data

Post by Steady rider »

Boss said. “The brain is a very vulnerable organ with limited capacity to recover. If you fall from a bike and sustain a brain injury, this has long-term consequences. And a large proportion of people who fall while cycling have brain injury.”
I would question such a claim because approximately 13 million Dutch people cycle and they have about 13000 admissions per year. The number of falls may be 100 times higher than admissions.
Assuming 1.3 million falls per year. Assuming 10% of admissions had a moderate TBI, 1300 cases (one report states 8016 cases, Reuvers et al 2020).
For definition of TBI see
https://www.ncbi.nlm.nih.gov/books/NBK5 ... n%20tissue.

From the assumed 1,300,000 falls, 1300 moderate TBI cases, 0.1% of falls having a moderate TBI brain injury.
The quote
And a large proportion of people who fall while cycling have brain injury
appears invalid.

e-bikes has increased and older people tending to cycle more, adding to accident statistics.

https://www.researchgate.net/publicatio ... _warranted Table 4 shows cycling in the Netherlands had increased by 19.4%. per person and 32% overall increase.(13 to 17.6 billion km).
NL has about 1 admission per 1000 people who cycle and helmet promotion will have a discouraging effect, as well as increasing the accident rate.
If you fall from a bike and sustain a brain injury, this has long-term consequences
It was reported that from 150 children admitted in Brisbane, 143 may a good recovery. It looks like the author is being quite selective and misleading in the claims made.

In a Western Australian study by Baschera et al of 15yo+ cyclists admitted to the RPH trauma unit they found 88% of TBIs were mild among both helmet wearers and non-wearers, 3% were moderate among helmet wearers vs 10% moderate among non-wearers, and 9% were severe among helmet wearers vs 2% among non-wearers.
Therefore the assumption that helmets use will provide a major benefit is in question.
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pjclinch
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Re: Is cycle helmet promotion warranted? DK v NL data

Post by pjclinch »

Jdsk wrote: 16 Jun 2024, 1:12pm NB date.

"‘The brain is very vulnerable’: Dutch cyclists urged to wear helmets as road deaths rise":
https://www.theguardian.com/world/artic ... eaths-rise
It has never been too hard to find a Dutch medic who's keen on helmets, unsurprising as their medics don't obviously get particular training on the specifications and limits of EN1078 and are exposed to the likes of the Cochrane summary which they'll also have learned is typically a reliable resource. Same goes for the SWOV folk.
And there's still the same blindness to providing extra protection to the brain from other sorts of accidents which happen regularly but are culturally "safe" activities.

I also concur with Steady Rider that the claim of a large proportion of people who fall while cycling have brain injury is ridiculous. As Cycle Tramp says, it's really not well written.

Pete.
Often seen riding a bike around Dundee...
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