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Re: effective temperature?

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General fitness, health and nutrition
Published
20 January 2006
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24 January 2006
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Silver0l
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  1. "jtaylor" <[email hidden]> a écrit dans le message de
    news: [email hidden]!nnrp1.uunet.ca...

    Quoted message said:

    Ignoring psychological considerations, the sensation of temperature will
    depend on the rate of heat loss (or gain) from the body to the water.

    I don't agree.

    If I swim fast and do a lot of efforts, my body temperature will rise, and
    the heat loss will largely increase (because of the increased water - body
    temperature difference, and because of the increased flow of water along the
    skin).

    But I will feel much warmer, because my body temperature is higher. The
    water which was cold when I swam slowly will become "refreshing", and I will
    appreciate to be able to dissipate all this excessive body heat. The
    sensation of temperature will become "nice" instead of "cold", even though
    the heat loss rate will increase.

    The same goes if I run before swimming: I can swim in a much colder water
    with pleasure if I was sweating before. Because the body needs to be
    refreshed to come back to 37°C.

    -- Olivier

  2. If I don't stop, I'll warm up and stay warm for quite a while before
    cooling off, but I will get cold even though I'm still swimming. If I
    do intervals, the harder I go the more quickly I cool off. I assume
    it's fatigue, but it's very unpleasant. I have no concept of Olivier's
    *refreshing.* I call that wretched. I complain at the pool all the
    time. And Larry: I think you have DSOT* syndrome.

    rtk

    *Distorted Sense Of Temperature

  3. "Silver0l" <[email hidden]> wrote in message
    news:[email hidden]...

    Quoted message said:


    "jtaylor" <[email hidden]> a écrit dans le message de
    news: [email hidden]!nnrp1.uunet.ca...

    Quoted message said:

    Ignoring psychological considerations, the sensation of temperature will
    depend on the rate of heat loss (or gain) from the body to the water.

    I don't agree.

    If I swim fast and do a lot of efforts, my body temperature will rise, and
    the heat loss will largely increase (because of the increased water - body
    temperature difference, and because of the increased flow of water along


    the

    Quoted message said:

    skin).

    You should read a little more carefully - you seem to have missed these
    parts when you snipped them:

    "... the rate at which core heat is supplied to the surface of the body..."

    and

    "The supply of core heat to the surface of the body is related to the work
    rate (and the length of time that such work has been done)."

  4. Quoted message said:
    Quoted message said:

    And Larry: I think you have DSOT* syndrome.

    Quoted message said:
    Quoted message said:

    *Distorted Sense Of Temperature

    You need to spend a summer in California and swim each weekend in one
    of the 1 - 10 mile ocean races which attract hundreds and where
    wetsuits are prohibited if you want to be official and where it can
    drop below 60 degrees on any given day even in July.

    http://www.spma.net/SPMAoceansched05.html

    I agree entirely with Olivier about the joys of getting sweaty from a
    good run before a nice cold water swim. I always do this when I've got
    a cold water swim that isn't a race, such as my annual Christmas Day
    biathlon.

    - Larry

  5. In El Paso, most public pools are kept at around 83-84. I am happy
    swimming in this temperature, but a tad chili to get in. The
    University's pool is kept at about 80 and it feels very cool to me and
    pretty hard to get in. During xmas. The heater wasn't working properly
    at the public pool where I usually swim. It was about 87. I was very
    happy swimming in this temperature. For some reason, my body tolerates
    high heat very well. I enjoy swimming in very warm water and I like
    riding when it is very hot.

    I have also swam in cool water in the 60s and ride in the 20s. I do ok,
    but I don't like it that much. For some reason my body doesn't feel
    very warm even after a hard effort. There are days that is in the 50s
    and low 60s. We may be returning from a long ride with with average
    speeds over 20 mph, strong pulls and hard efforts. Everybody around me
    is hot and I still feel cool. With swimming, it is the same thing. I
    may be finishing a long swim and I still feel cool. I've noticed that
    when the room temperature is cool, my extremities are always cold. It
    doesn't bother me at all, but when people touch my hands they always
    tell me that they are cold.

    I always wonder why this is so. Does anybody have a clue?

    Andres

  6. [email hidden]
    wrote:
    In El Paso, most public pools are kept at around 83-84.

    me: AHHHHH
    ~~~~~~~~~~~~~~~~~~~
    I am happy swimming in this temperature, but a tad chili to get in.

    me: Agreed!
    ~~~~~~~~~~~~~~~~~
    The University's pool is kept at about 80 and it feels very cool to me
    and
    pretty hard to get in.

    me: Same here, brrrrrrrr.
    ~~~~~~~~~~~~~~~~~~~
    During xmas. The heater wasn't working properly
    at the public pool where I usually swim. It was about 87. I was very
    happy swimming in this temperature.

    Me, too.
    ~~~~~~~~~~~~~~~~
    For some reason, my body tolerates
    high heat very well. I enjoy swimming in very warm water and I like
    riding when it is very hot.

    me: perfection. Water should be soothing, not invigorating.

    Larry, by the way, has Swiss - or was it Finnish, maybe Greenlander -
    ancestry. If I were he, I'd suppress those genes and use his other
    half and far more sensible heritage. The only advantage of swimming in
    the icy ocean is to create more patients for Dr.Larry's colleagues.

    rtk

  7. Quoted message said:
    Quoted message said:

    The only advantage of swimming in


    the icy ocean is to create more patients <<

    The last time I had a fight over this rather intemperate woman was over
    my proposal to have a "retro" division for triathlons...no wetsuits;
    only "standard," non-tricked out bicycles.

    But now she has definitely gone too far. Attacking my water is almost
    as bad as attacking my food.

    Bring 'em on.

    (who was it who said that?).

  8. L.W. said:
    ........But now she has definitely gone too far. Attacking my water is
    almost
    as bad as attacking my food.

    Bring 'em on.

    MY water was attacked first! Lake Michigan was falsely declared
    inhospitable, cold and inadequately salted compared to the Pacific.
    Had he known, the temperature of my water is even visible. When the
    wind blows from the west, picking up the pungency of the stockyards, it
    smooths out the lake, making it crystal clear and a bit chilly. But
    given a good wind from the east, a genuine surf works up, rolling in
    the little corpses of perch and sunfish, a bit of texturally rich
    greenery, and the occasional wayward turd. It is then that the lake is
    warm and inviting, full of dips in its sandy floor, and, thankfully,
    considerably less clarity. I learned to swim in those biologically
    rich waters, practiced my Tarzan stroke, and searched underwater for
    *sea* shells.

    That Larry guy could see none of the beauty, but he at least should
    have recognized the health benefits of such a rich environment. Every
    August when a polio epidemic prevented the opening of the public
    schools, we Chicagoans, inured by a childhood spent rubbing our noses
    in our enhanced version of nature, were immune. Only the new kids from
    the country wound up in iron lungs while we inhaled deeply of the
    richness of the lake to our east, the stockyards to our west, and the
    steel mills to our south.

    rtk

  9. Quoted message said:
    Quoted message said:

    Only the new kids from


    the country wound up in iron lungs while we inhaled deeply of the
    richness of the lake to our east, the stockyards to our west, and the
    steel mills to our south. <<

    That was truly poetic. I need to send that to my Dad, who met my Mom
    (newly graduated from high school) at a dance in Chicago in the summer
    of '45, when he was just discharged from the Navy. They got married in
    Feb, 1946, one day after my Mom's 18th birthday, and I baby-boomed
    forth in the American Hosp in Chicago in April of '47. One week later,
    they moved to Arizona, and I've only been back to my birth city for the
    odd work-related meeting. My dad had a small, ancient wood "cabin
    cruiser" moored on the Lake, and he swam in a number of open water
    races while there (I'm just getting warmed up, but this really is a
    pretty good swimming related story).

    Anyway, my Dad had a rival at the time named Harold Henning, who is now
    enshrined in the International Swimming Hall of Fame:

    http://www.ishof.org/79hhenning.html

    At one of their races (according to my Dad; yes, there are two sides to
    every story), Henning was drafting on him and kept banging on him
    during the race. Dad said that he kept trying to swim away, but he
    wasn't able to shake him. Anyway, at one point they actually had some
    sort of altercation which went beyond the usual bumping and banging. I
    heard this story a long time ago, but I don't recall how it actually
    ended up. Need to ask him that while there is still time to get the
    oral history (he's going on 93, but still swims an hour a day).

    - LW

  10. L.W. asserts:
    ..............
    But now she has definitely gone too far. Attacking my water is almost
    as bad as attacking my food.
    ........

    I'm not done with the good Doc yet. He mentions food, one of the great
    interests of my life; not so much eating the stuff, but cooking.

    Never would I allow health or sport concerns to stand between me and my
    love of beautiful food. Diet is a four letter word. If I were forced to
    choose a single guru, Escoffier would win hands down. Away from home,
    I'm no purist and can eat junk with no guilt, but no packages, frozen or
    otherwise enter my kitchen. And no rules either. Here's an example of
    a recent dinner.
    http://www.personal.psu.edu/faculty/e/x/exk7/June13/Birthday.html
    Fortunate for Larry, there's no photo of the little cheese we had called
    Poudre Puff from Wisconsin that is a close rival of anything French from
    the Loire valley. Too bad I didn't have my camera at hand a year ago at
    our anniversary. I made 20 Graeco/Turko little dishes as far from the
    world of Gu and Gatorade as you get, and before the wild kebabs of lamb
    and swordfish and baklavas and other mid-eastern delights.

    Re: your going to ask your father for more stories while there's time.
    I've just started making a DVD of a day in the life of my husband which
    will cut away via flashbacks to old photos, little movies and slide
    shows. I follow him around from here to his office to the pool and so
    forth making little movies which I edit like mad. You might consider
    holding a camera while your father talks. My Canon takes movies for as
    long as the 1 GB card allows, and in as large a file as a camcorder. I
    do an ambitious family DVD every year, but this one will be more so.
    You can hand down only one album, but you give many discs, with the
    understanding they must be converted to the new technology from time to
    time. Eventually someone will thank you, long after you can hear them.

    rtk

  11. rtk said:

    L.W. said:
    .......But now she has definitely gone too far. Attacking my water is
    almost
    as bad as attacking my food.

    Bring 'em on.

    MY water was attacked first! Lake Michigan was falsely declared
    inhospitable, cold and inadequately salted compared to the Pacific.
    Had he known, the temperature of my water is even visible. When the
    wind blows from the west, picking up the pungency of the stockyards, it
    smooths out the lake, making it crystal clear and a bit chilly. But
    given a good wind from the east, a genuine surf works up, rolling in
    the little corpses of perch and sunfish, a bit of texturally rich
    greenery, and the occasional wayward turd. It is then that the lake is
    warm and inviting, full of dips in its sandy floor, and, thankfully,
    considerably less clarity. I learned to swim in those biologically
    rich waters, practiced my Tarzan stroke, and searched underwater for
    *sea* shells.

    That Larry guy could see none of the beauty, but he at least should
    have recognized the health benefits of such a rich environment. Every
    August when a polio epidemic prevented the opening of the public
    schools, we Chicagoans, inured by a childhood spent rubbing our noses
    in our enhanced version of nature, were immune. Only the new kids from
    the country wound up in iron lungs while we inhaled deeply of the
    richness of the lake to our east, the stockyards to our west, and the
    steel mills to our south.

    rtk


    Ruth,
    I truly can't believe it--you and I were separated at birth. I, too, am
    a Great Lakes girl, but I'm from the West side of Lake Erie. How weird
    that our births were so far apart in years....

    I think some of your differences of opinion with Larry may have to do
    with the differing mass to surface area ratios that different people
    have. I suspect you have a lot of surface area relative to your mass,
    and therefore chill easily. I have a relatively small surface area
    relative to my considerable, (but shrinking) mass, and therefore don't
    get as cold.

    And Larry is half Finnish, which may explain some of this cold tolerance.
    Madelaine

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