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  1. #21
    WhiteShark's Avatar
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    Clearly you haven't googled Kinetic Linking. Most references to it outside of physiology journals is from WC. That is one of the reasons I didn't mention it.

  2. #22
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    Ah-ha.

    Well, it's correct whether they bastardize it or not.

  3. #23
    NOTE TO SELF - MOAR GRAPPLE - GET A NORMAL HAIR CUT - REPEAT supporting member
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    s'funny because WC takes less advantage of KL than it could.
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    KosherKickboxer has t3h r34l chi sao

    In De Janerio, in blackest night,
    Luta Livre flees the fight,
    Behold Maeda's sacred tights;
    Beware my power... Blue Lantern's light!

  4. #24

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    Quote Originally Posted by War Wheel View Post
    Haven't gotten around to adding the rest of the vids yet, but I did want to post this:
    WT PSI
    200 1081
    175 1023
    160 987
    147 951
    135 923
    126 909

    These are world records by weight class for punching power. I haven't shown every weight, but I wanted to make a point.

    Notice that the power of the 126lb boxer is about 90% that of the 200+.
    This speaks volumes about the role of mechanics (not weight or muscle) in producing power. Taking punches is another story.

    Also note that Randy scored 500 psi on fight science. The record for females at 102lbs is 724 psi(!)
    http://www.boxingassociated.com/records.htm

    just FYI
    Pardon my ignorance, but how do they measure punching power? (I mean what is the procedure and apparatus). One thing that unnerves me somewhat is that the rating are in terms of pressure, which is not a unit of power...

  5. #25
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    Quote Originally Posted by Meson View Post
    Pardon my ignorance, but how do they measure punching power? (I mean what is the procedure and apparatus). One thing that unnerves me somewhat is that the rating are in terms of pressure, which is not a unit of power...
    I have tried to find some description of how this is done, with no success. One can only assume that they are using a device similar to what was used in Fight Science.

    I'm not a physicist, but I can see a way that pressure can be thought of as a 'power' measurement: the pressure reading is really just a measurement of the sensor's resistance to being accelerated by the fist (inertia). The faster the transfer of kinetic energy to the sensor, the quicker it will accelerate if it is unanchored and the higher the peak pressure will be if it is anchored.

    I'm not sure what the classical Mechanics definition of 'Power' is, but I'm guessing it is something like work/time which is exactly the case here.
    Now darkness comes; you don't know if the whales are coming. - Royce Gracie


    KosherKickboxer has t3h r34l chi sao

    In De Janerio, in blackest night,
    Luta Livre flees the fight,
    Behold Maeda's sacred tights;
    Beware my power... Blue Lantern's light!

  6. #26
    Hesperus's Avatar
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    Anyone tried e-mailing them?

  7. #27

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    Quote Originally Posted by War Wheel View Post
    I have tried to find some description of how this is done, with no success. One can only assume that they are using a device similar to what was used in Fight Science.

    I'm not a physicist, but I can see a way that pressure can be thought of as a 'power' measurement: the pressure reading is really just a measurement of the sensor's resistance to being accelerated by the fist (inertia). The faster the transfer of kinetic energy to the sensor, the quicker it will accelerate if it is unanchored and the higher the peak pressure will be if it is anchored.

    I'm not sure what the classical Mechanics definition of 'Power' is, but I'm guessing it is something like work/time which is exactly the case here.
    No offense, but the engineer in me cringes at the thought of power measured as pressure. Now i could see using peak pressure as an index of punching "prowess" or hitting hard, but the use of the word power bothers me. The thing that unnerves me though is how they are getting the pressure measurement. If they could get pressure variations through time, then they could estimate power (with knowing the weight of the target).

    None of this, however, is against the idea of thoratic rotation for punching. I am just interested in those numbers.
    Last edited by Meson; 3/07/2009 8:33pm at .

  8. #28

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    Quote Originally Posted by Hesperus View Post
    Anyone tried e-mailing them?
    Sent something over, haven't got anything back yet.

  9. #29

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    Quote Originally Posted by Meson View Post
    Sent something over, haven't got anything back yet.
    Well, they finally emailed me back, but did not tell me anything about the sensor or the measurement procedure.

    On the subject of thoracic rotation, is this partially a flexibility thing?
    (I know that my lack of thoracic extension has contributed to shoulder issues for me in the past).

  10. #30
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    Quote Originally Posted by Meson View Post
    Well, they finally emailed me back, but did not tell me anything about the sensor or the measurement procedure.

    On the subject of thoracic rotation, is this partially a flexibility thing?
    (I know that my lack of thoracic extension has contributed to shoulder issues for me in the past).
    Can you post what they sent?
    Now darkness comes; you don't know if the whales are coming. - Royce Gracie


    KosherKickboxer has t3h r34l chi sao

    In De Janerio, in blackest night,
    Luta Livre flees the fight,
    Behold Maeda's sacred tights;
    Beware my power... Blue Lantern's light!

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