[pct-l] SOCKS

[Yoshihiro Murakami]

Mistake

The separation of epidermis and dermis by shear force  is the blister.

Heat alone does not make blister.



2012年2月16日11:15 Yoshihiro Murakami <completewalker at gmail.com>:
> Dear Diana
>
> I had thought the cause of blister is heat which was generated from
> friction. This idea was also described by Collin Fletcher. But, I have
> noticed this idea was wrong.
>
> I read several papers concerning blister to write chapter 2 ( footwear
> and related device ) in my hiking handbook. Now, I understand the
> mechanical procedure.
>
> The cause of blister is the shear force at the subcutaneous tissue in
> our skin. When the strong force was repeatedly given to this place,
> our skin breaks and separated in two parts. Then the blister emerge.
>
> To prevent blister.
>
> Keep moisture level low. Thus, the coefficient of friction becomes
> smaller,  then the shear force becomes smaller.
>
> To keep moisture level low,
>   Change socks regularly ( I wear GoreTex boots, one pair of socks
> for 3 hours,      then change another pair  )
>   Keep narrow space between socks and footwear. Then the moisture
> goes out automatically.
>
>
>
> 2012/2/16 Diane Soini of Santa Barbara Hikes <diane at santabarbarahikes.com>:
>> The dust you get through your shoes is too fine to cause any
>> problems. Seriously, it's like talcum powder.
>>
>> I really think the blisters on the PCT is a combo of the heat of the
>> trail, the uniform nature of the hiking surface (any "flaws" in the
>> trail tend to go on for 10 miles at a time) and the newness of doing
>> that many miles day after day.
>>
>> I have only gotten blisters on the So Cal section of the PCT and only
>> the first time I hiked it as a long distance hiker. Never again on
>> any section hike, including sections in So Cal. Never again on my
>> second long distance hike. Even though my feet continue to get just
>> as dirty.
>>
>> I believe the main mistake I made as a new hiker was goretex and not
>> wearing loose/big enough shoes. Probably was a mistake that my first
>> pair of shoes were all leather without mesh. Fixing my shoe problems
>> didn't help immediately. I didn't see a resolution of my blisters
>> until after Kennedy Meadows.
>>
>>> I think dust in the socks also adds to many folk's blistering
>>> problems. Of all the people I hike with, the only significant
>>> issues with blisters come from PCT hikers. Especially in the
>>> southern sections. Boots do keep your feet cleaner. Dirty Girl's
>>> seem to help a lot with lower cut shoes.
>>>
>>> The only blistering issue I ever had was while wearing low cut
>>> shoes. Once in section A, and again while wearing low cut shoes
>>> into Bearpaw Meadow, a very dusty trail. Dirty Girls seem to help.
>>>
>>> But I could be wrong.
>>>
>>> Gary
>>
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>
>
>
> --
> Sincerely
> --------------- --------------------------------------
> Hiro    ( Yoshihiro Murakami  村上宣寛 )
> facebook  http://www.facebook.com/completewalker
> Blogs  http://completewalker.blogspot.com/
> Photo  http://picasaweb.google.co.jp/CompleteWalker/
> Backpacking since about 1980 in Japan
> JMT, 2009, 2010, 2011(half).
> ------------------------------------------------------



-- 
Sincerely
--------------- --------------------------------------
Hiro    ( Yoshihiro Murakami  村上宣寛 )
facebook  http://www.facebook.com/completewalker
Blogs  http://completewalker.blogspot.com/
Photo  http://picasaweb.google.co.jp/CompleteWalker/
Backpacking since about 1980 in Japan
JMT, 2009, 2010, 2011(half).
------------------------------------------------------