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Freedom under a constitutional republic is a well armed lamb contesting the vote." ... B.Franklin
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When I was a kid and complained of cold feet, Mom would tell me to put on a hat. Darned if she wasn't always right. But I still am going to try the wrist warmers around camp. I don't like gloves.
The gene pool needs a life guard.
OK, wrap everything in high quality insulation, leave an opening at the TOP, Yes, all the heat will escape thru that "Hole". leave your tush exposed & put a hat on, guess where the heat will escape from.
IMHO the test is flawed. Like Cannibal, I don't have any natural insulation, and indeed my "cold weather gear" at work is a ball cap. Not because I think all of the heat leaves thru my head, but because it is the most sensitive area unprotected if I am hat free (I wear short sleeves & thin cotton pants to 30ish).
When you have a backpack on, no matter where you are, you’re home.
PAIN is INEVITABLE. MISERY is OPTIONAL.
Check this out. It's on the internet so ............ According to this article, the onset of hypothermia changes the equation.
From the Wilderness Medicine Newsletter
As a S&R diver, it has always been accepted, whether fact or myth, that 1/3 of your heat loss in water is through your head. Of course heat loss is 32 times faster in water than air. Most dive physiology information comes from the Navy.Now, what about hypothermia and heat loss through the head?
If the hypothermia victim is not shivering, they are at rest, and the heat loss through the head remains about 7%. But, this is important, if they are shivering, the percent of heat loss via the scalp can increase to upwards of 55%, so protecting the head well is a very important part of treating the hypothermia patient. And as you can imagine, the primary defense against the cold and hypothermia is vasoconstriction of the peripheral circulation, this shunts blood to the core, reduces circulation to the skin, and increases the percent of heat loss through the scalp.
The difference is that the shivering hypothermia patient is indeed exercising, but they do not vasodilate the peripheral circulation; the shivering muscles increase metabolic demand and cardiac demand so the patients do increase their cardiac output; therefore, they do increase cerebral circulation; therefore, they do increase the percent of blood loss through their head.
Treatment of the hypothermia victim:
Remove from the cold.
Get them dry and keep them dry.
Insulate from the ground.
Re-insulate with dry insulation.
Cover and protect the head from further heat loss.
Cover and protect the hands and feet from frostbite.
Surround with a windproof and waterproof layer.
If conscious, feed warm, sweet liquids.
If unconscious, evacuate and handle very gently to prevent ventricular fibrillation.
I realize it is dangerous to postulate generalizations from individual experience, however; in all the years of canoeing, wood cutting, ice fishing, backpacking etc. that I have had in my 57 years of life, the easiest way to regulate my sense of being warm, hot or cold is by how much insulation I have on my head. I have lots of hair on my head and a full beard. I still need a hat when I sleep in the cold. Keeps my feet warm.
“Things are as they are. Looking out into the universe at night, we make no comparisons between right and wrong stars, nor between well and badly arranged constellations.”
― Alan W. Watts
Hey all, just joined and found this post, checked with the great oracle GOOGLE, seems to be a popular topic. Here is one of many articles out there.
All I know if my feet are covered and my head is covered I am warm, so do I need to wear anything else
Merry Christmas and Happy New Year
The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.
George Bernard Shaw
Bingo! This is exactly what I was thinking when I read the article on the subject a year or so ago. I think the mythbusters began with a premise which was not the original claim thus easily refuted. I always understood the original premise to be based on the fact that we are clothed and the 40% loss took that into account.