helmets increase danger
in [UK Drivers]
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From: boltar2003 on 21 May 2010 07:57 On Fri, 21 May 2010 12:19:14 +0100 Peter Clinch <p.j.clinch(a)dundee.ac.uk> wrote: >As usual you've failed to account for the part a helmet may play in the >accident occurring, and as usual you have failed to apply the same logic >to cycling as you do to other comparably risky activities. Cycling helmets play as much part in causing road accidents as hard hats do on building sites. Ie - none. Perhaps it should be investigated whether hard hats are of any use when a brick fall on your head or whether they caused the brick to fall? Muppet. B2003
From: boltar2003 on 21 May 2010 08:01 On Fri, 21 May 2010 12:27:58 +0100 Brian Morrison <bdm(a)fenrir.org.uk> wrote: >And yet there will be other minor types of accident where the >intervention of the helmet will lead to greater injury because in those >particular cases the geometry and dynamics of the impact happen to >produce greater rotational forces to the neck and upper spine. The total increase in circumferance of the head (and hence the potential increase in tortional forces) is small when wearing a cycle helmet. The risks of brain injury are far greater than neck or spine damage. Theres a reason motobike helmets - which really do increase the head circumference a lot - have saved a lot of people who would otherwise have died. B2003
From: Peter Clinch on 21 May 2010 08:18 boltar2003(a)boltar.world wrote: > Cycling helmets play as much part in causing road accidents as hard hats do > on building sites. Ie - none. Is your assertion, but there's contrary evidence available. > Perhaps it should be investigated whether hard > hats are of any use when a brick fall on your head or whether they caused > the brick to fall? Some research has shown that overtaking is closer for helmeted riders than unhelmeted riders. On urc in the past someone reported an incident where they were reprimanded by a driver for not wearing a helmet, as if he had she'd have been able to squeeze past him "safely" instead of having to wait for a proper overtaking opportunity. There is quite a body of evidence that shows that many people take more risks when using safety equipment. > Muppet. Whether or not the case, apparently better read on the issues than you. Since you think they /must/ help, please explain the absence of improved serious head injury rates after a huge rise in wearing rates following laws to mandate their use in Australia and NZ. Pete. -- Peter Clinch Medical Physics IT Officer Tel 44 1382 660111 ext. 33637 Univ. of Dundee, Ninewells Hospital Fax 44 1382 640177 Dundee DD1 9SY Scotland UK net p.j.clinch(a)dundee.ac.uk http://www.dundee.ac.uk/~pjclinch/
From: Peter Clinch on 21 May 2010 08:19 boltar2003(a)boltar.world wrote: > The total increase in circumferance of the head (and hence the potential > increase in tortional forces) is small when wearing a cycle helmet. The risks > of brain injury are far greater than neck or spine damage. Theres a reason > motobike helmets - which really do increase the head circumference a lot - have > saved a lot of people who would otherwise have died. You appear to be comparing apples to oranges. Pete. -- Peter Clinch Medical Physics IT Officer Tel 44 1382 660111 ext. 33637 Univ. of Dundee, Ninewells Hospital Fax 44 1382 640177 Dundee DD1 9SY Scotland UK net p.j.clinch(a)dundee.ac.uk http://www.dundee.ac.uk/~pjclinch/
From: boltar2003 on 21 May 2010 08:44
On Fri, 21 May 2010 13:18:55 +0100 Peter Clinch <p.j.clinch(a)dundee.ac.uk> wrote: >> Perhaps it should be investigated whether hard >> hats are of any use when a brick fall on your head or whether they caused >> the brick to fall? > >Some research has shown that overtaking is closer for helmeted riders >than unhelmeted riders. On urc in the past someone reported an incident >where they were reprimanded by a driver for not wearing a helmet, as if >he had she'd have been able to squeeze past him "safely" instead of >having to wait for a proper overtaking opportunity. Oh right, so now its car drivers getting to close to blame. A minute ago it was the helmet itself. Make your mind up. B2003 |