On Fri, 9 May 2008 07:58:00 -0700 (PDT), Mel Rowing
wrote:
>> >> Who said anything about a broken neck?
>> >That's the level of injury you could expect if you knelt with your
>> >full weight on somebody's neck!
>> What is the basis for that belief?
>Lay on the floor face up roll over onto one side, roll over to face
>down position then to the other side and finally to your original
>position. There is no point at which the cervical vertabrae are
>supported by the floor.
There is a fair bit of strong tissue and muscle to support it.
>Simulation:
>Place a stick on the floor then stand on it. Next place a brick under
>one or both ends of the stick and stop on it again. Isn't this how we
>could break a stick?
Only if the stick is not strong enough to support your weight. Try it
with a stick of about 5cm diameter and the bricks placed about 10cm
apart.
>I would have thought it obvious really.
There are many things that appear obvious yet turn out not to be true.
--
Cynic
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