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  1. kamadul is offline

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    Posted On:
    1/22/2014 2:29pm


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    Hell yeah! Hell no!
    Quote Originally Posted by Vieux Normand View Post
    So, on your home planet, the act of exhaling relaxes the diaphragm?

    The diaphragmatic muscles can contract (to cause exhalation) and relax at the same time?

    How many light-years away is this world of wonders?
    Put your hand on your diaphragm. Inhale and hold that breath. Is it not tensed?

    Now exhale. Did it not relax?
  2. kamadul is offline

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    Posted On:
    1/22/2014 4:38pm


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  3. Permalost is offline
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    pro nonsense self defense

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    Posted On:
    1/22/2014 5:24pm

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     Style: FMA, dumbek, Indian clubs

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    Quote Originally Posted by Alex_Kincaid View Post


    The way he teaches this bugs me. I was always told to sort of try to swing underneath the opponent for Tomoe Nage, I was told to definitely not simply flop to my back with a foot up the way he is.
    It bugs me how he calls it the Ryu from Streetfighter throw, since it has a long tradition of being the Captain Kirk throw.

    The prospect of someone trying a tomoe nage cause they saw it on a youtube vid makes me laugh and shake my head at the same time. I've practiced the throw just enough to know that its really easy to screw up.
  4. ChenPengFi is offline
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    Posted On:
    1/22/2014 5:29pm

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    Hell yeah! Hell no!
    Contraction of the diaphragm increases thoracic volume, causing inhalation.

  5. W. Rabbit is offline
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    insight combined with intel, fuse, and dynamite

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    Posted On:
    1/22/2014 10:49pm

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    Is this kid old enough by buy beer?
  6. Vieux Normand is offline

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    Posted On:
    1/23/2014 2:05pm

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    Newsflash to various and sundry geniuses: on this particular planet, human diaphragmatic muscles are always under tension due to their position in the body.

    They are either contracting concentrically (during inhalation) or contracting eccentrically (during exhalation). During forced exhalation, the latter happens simultaneously with actions of other abdominal muscles.

    Human diaphragmatic muscles are never completely relaxed until, sometime after you die, their origins and/or insertions rot away.

    Have a nice day.
  7. ChenPengFi is offline
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    Posted On:
    1/23/2014 2:18pm

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    LOL...
    Go soak your head in more vodka.
    What you are saying isn't unique to the diaphragm.
    The "action" of the diaphragm is inhalation, period.
    Forced exhalation is from the abdominals and intercostals.
    An eccentric contraction is a controlled extension, that's just you trying to waffle.

    Relaxing the diaphragm DOES cause exhalation, and contracting it DOES cause inhalation.

    That you are trying to imply that the diaphragm can force air out via relaxing is hilarious.



    Here, have some wiki:

    During quiet breathing, there is little or no muscle contraction/relaxation involved in expiration. This process is simply driven by the elastic recoil of the lungs in healthy individuals. In certain conditions the elasticity of the lung can be lost, such as in emphysema. Forced or active expiration occurs in such individuals as well as occurring during exercise. The abdominal muscles and the internal and innermost intercostal muscles help expel air.
  8. Vieux Normand is offline

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    Posted On:
    1/23/2014 2:29pm

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    Quote Originally Posted by ChenPengFi View Post
    What you are saying isn't unique to the diaphragm.
    Did anyone say it was?

    The "action" of the diaphragm is inhalation, period.
    Go look up the musculature-related terms "agonist" and "antagonist." Muscles either provide and action via the former (concentric contraction) or put brakes on the opposite action (eccentric contraction). The classic examples being biceps and triceps working "against" each other.

    Forced exhalation is from the abdominals and intercostals.
    Along with eccentric contraction provided by the diaphragm to keep the abs and intercostals from going too far, too fast. This allows for the measured stability and lessens the chance of injury.

    An eccentric contraction is a controlled extension,
    Controlled via maintained eccentric contraction where tension is gradually lessened, but never to zero-level.

    ...that's just you trying to waffle.
    From you, this is expected and so no comment is needed.

    Relaxing the diaphragm DOES cause exhalation, and contracting it DOES cause inhalation.
    You still do not get it, do you?

    That you are trying to imply that the diaphragm can force air out via relaxing is hilarious.
    Not half as amusing as the fact that this is how you read it.

    Straw-man much?
    Last edited by Vieux Normand; 1/23/2014 2:40pm at .
  9. ChenPengFi is offline
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    Posted On:
    1/23/2014 2:43pm

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    Quote Originally Posted by Vieux Normand View Post
    So, on your home planet, the act of exhaling relaxes the diaphragm?
    Yes, the planet Earth.

    The diaphragmatic muscles can contract (to cause exhalation) and relax at the same time?

    Your fallacy of definition is simply weasel wording away from the above.
    Conflating "eccentric contraction" with "contraction" is fallacious.
    Eccentric contraction IS relaxation/extension.


    Keep swimming in that vodka.
  10. kamadul is offline

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    Posted On:
    1/23/2014 2:49pm


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    Quote Originally Posted by Vieux Normand View Post
    Did anyone say it was?



    Go look up the musculature-related terms "agonist" and "antagonist." Muscles either provide and action via the former (concentric contraction) or put brakes on the opposite action (eccentric contraction). The classic examples being biceps and triceps working "against" each other.



    Along with eccentric contraction provided by the diaphragm to keep the abs and intercostals from going too far, too fast. This allows for the measured stability and lessens the chance of injury.



    Controlled via maintained eccentric contraction where tension is gradually lessened, but never to zero-level.



    From you, this is expected and so no comment is needed.



    You still do not get it, do you?



    Not half as amusing as the fact that this is how you read it.

    Straw-man much?
    That's a cute theory about how things are supposed to work. I'm talking from experience about how they actually do.

    Try it. Inhale deeply and hold it. Let someone hit you in the bread basket. Now do it again while exhaling. Report back with your results.
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