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Re: cruising speed,entropy,efficiency

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  • Re: cruising speed,entropy,efficiency

    At 4:19 PM 3/6/98, Wang Chengzhi wrote:
    >Here is some thought in my mind.
    > In spite of varied kinds of sports which he is practicing,
    >everyone must
    >move on this speed at the most time of his life.
    > 1.Which kind of sport increase walking efficiency at most?
    PROBABLY WALKING (COMPETITIVE ONE)!
    > 2.In what age someone get his best walking efficiency?
    PROBABLY YOUNG, ALTHOUGH STUDIES DO NOT DEMONSTRATE SIGNIFFICANT DROP IN
    LATER AGES. THAT IS PARTLY EXPLAINED BY A GRADUAL CONVERSION OF FAST INTO
    SLOW-TWITCH FIBERS IN LATER AGE.
    > 3.What is relation between walking efficiency and weight?
    BIOMECHANICAL SCALING (SEE MCMACHON'S BOOK "MUSCLES, REFLEXES AND
    LOCOMOTION) DEMONSTRATE A DECREASE OF ENERGY EXPENDITURE PER WEIGHT UNIT
    WITH INCREASE OF BODY SIZE.
    > 4.In what speed someone get his best efficiency?
    GENERALLY, THE INTERVAL FROM 1 TO 1.5 m/s HAS MINIMAL EXPENDITURE PER
    DISTANCE TRAVELLED!
    > 5.Which kind of sport maintain the best walking efficiency at the
    >longest
    >time of his life?
    ACCORDING TO GENERAL RULE OF "TRAINING SPECIFICITY", PROBABLY WALKING
    > 6.What is relation between health and walking efficiency?
    I DON'T KNOW, BUT IT IS OBVIOUS THAT VARIOUS INJURIES, NEUROLOGICAL
    PROBLEMS ETC. SHOULD DECREASE EFFICIENCY.
    > 7.Is there anything wrong with our modern sports?(We have seen
    >much news
    >about athletes taking exhilarant. We have heard much news about injury and
    >ill of athletes )
    THE QUESTION IS TO GENERAL. ATHLETIC ACTIVITIES OFTEN CAUSE VARIOUS
    INJURIES, BUT ALSO PREVEN OTHERS.
    > I have two old kung fu teachers who are masters of fighting and
    >health at
    >the age of 70 or so.(They can easily win several younger and stronger men
    >at the same time during fighting.)
    I HAVE AN EXTENSIVE COMPETITIVE EXPERIENCE IN KARATE AND I AM POSITIVE THAT
    YOUR TEACHERS DO NOT HAVE ANY CHANCE AGAINST YOUNG AND, PROBABLY HEAVIER
    COMPETITORS. SORRY TO DISSAPOINT YOU, BUT THEIR ONLY ADVANTAGE IS A
    PSYCHOLOGICAL ONE, PARTICULARY DURING "KUMITE" WITH THEIR OWN STUDENTS AND
    WITHIN THEIR OWN CLUB.
    > The questions which I list above are the points on which I will
    >start to
    >study this kind of ancient Chinese sport scientifically.
    > In order to slower the increasing entropy of our life, Is it right
    >that we
    >increase efficiency first by some kinds of sports?
    > Will a complex moving system with efficiency principle in gravity turn
    >into chaos and nonlinear?
    > Tai chi and Ba Gua ( Chinese kung fu)are kinds of continuous nonlinear
    >centrifugal force sports in human's body.
    > It is said that scientist can not define the difference between
    >centrifugal force field and universal gravitation!
    > Wang Chengzhi
    > Mar. 6th, 1998
    >E_mail:baguamen@public1.tpt.tj.cn
    >
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    Slobodan Jaric
    2000 Biomechanics Laboratory
    Department of Kinesiology
    Penn State University
    University Park, PA 16802
    Phone: 814-863-4424, Fax: 814-865-2440
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