Dear Torje,
Thanks for your reply, it makes some sense, could you please send anymore
information, especially the section about muscle contraction/relaxation
mechanisms.
My son is an international sprinter and has had an injury believed to have
been caused by creatine loading of 20 gram a day for 4 days.
Although after a scan by a top surgeon and on going treatment by two
physio's, there is no diagnosis given. The problem being swelling at the
lower end of hamstring, which is believe to be shortening the hamstring. The
lateral hamstring is not contracting at the same time as the other two
hamstring muscles, causing an overload on this particular muscle.
I am trying to resolve this problem any further information would be
appreciated
Regards Morris
>From: Torje Eike <[log in to unmask]>
>Reply-To: [log in to unmask]
>To: "INTERNET:[log in to unmask]" <[log in to unmask]>
>Subject: Creatine
>Date: Fri, 4 Feb 2000 13:13:43 -0500
>
>Morris
>
>Browsing files on my PC I found these notes. Not certain of the source so
>take
>with a pinch of salt (pardon the pun!)
>
>Side effects/cautions to be considered when using creatine.
> --Nausea, stomach upset, dizziness, weakness, and diarrhea are the most
>common side
> effects, typically occurring with dosages greater than 5g a day.
> --Creatine supplementation may cause electrolyte imbalance -- a disruption
>of the
> calcium-phosphorus ratio in the muscle that could potentially interfere
>with the
> muscle's contraction/relaxation mechanisms. As a result, the muscle may
> contract/shorten when it's supposed to relax/stretch or vice versa. This
>may cause
> tetanic muscle cramping and muscle strains. This electrolyte imbalance
>may also
> predispose athletes to dehydration and heat-related illness.
> --Long-term scientific studies on creatine are not yet available. It is
>possible that
> long-term use may put stress on the kidneys.
> --Creatine is not regulated by the FDA, so product quality/purity may be
>suspect and
> vary among manufacturers.
>
>
>I have used creatine in athletes and not seen any side-effects but my
>number is small.
>
>Torje Eike, MCSP, PT
>Chartered Physiotherapist
>London, England
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