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Exercise Associated Muscle Cramps (EAMC)

Discussion in 'Biomechanics, Sports and Foot orthoses' started by DaFlip, Nov 23, 2004.

  1. DaFlip

    DaFlip Active Member


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    Just wondering the thoughts of the list on EAMC. There are many anecdotal theories on serum electrolyte and rehydration. None full supported through studies, and it is difficult if not impossible to actively reproduce EAMC in athletes. The mechanism of cramping more recently has been theorised to be associated with a sustained alpha motor neurone activity with muscle fatigue. However there are many cases of athletes cramping without being in a fatigued state. Any thoughts as to factors which may cause sustained alpha activity in non-fatigued athletes?? :confused:
     
  2. dgroberts

    dgroberts Active Member

    I can reproduce EAMC.........but only in me, and it's not pleasant :)

    I train as a thai boxer and when training to fight, which is very intense, can bring on EAMC's if I don't take on water at the right time.
    Basically a hard session involves running 5 miles to the gym wearing bin bag, t shirt, jumper, wooly hat (fluid loss = weight reduction) then training for around 80mins. If I don't drink after the run I always get cramps in the calves (sometime hamstrings as well) at around the 60min mark.
    Never cramp in an un-fatigued/dehydrated state though.

    Not at all usefull as an reply to your post but just showing you can reproduce EAMC's. Not very ethical way of doing it though :)
     
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    Articles:
    1
    Predictors of calf cramping in rugby league
    Summers, Katherine M. BPhysio(Hons); Snodgrass, Suzanne J. PhD; Callister, Robin PhD
    Journal of Strength & Conditioning Research: 14 June 2013
     
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    Articles:
    1
  5. NewsBot

    NewsBot The Admin that posts the news.

    Articles:
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  6. NewsBot

    NewsBot The Admin that posts the news.

    Articles:
    1
    NOVEL DIRECT AND INDIRECT EFFECTS OF RISK FACTORS FOR EXERCISE ASSOCIATED MUSCLE CRAMPING (EAMC) IN A COHORT OF 41 698 DISTANCE RUNNERS
    Esmè Jordaan, Martin Schwellnus
    Br J Sports Med 2017;51:337 doi:10.1136/bjsports-2016-097372.136
     
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