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Thursday, January 26, 2006

1 cup a day? ... blasphemy

freakin me out -

The effect of caffeine administration on thermoregulatory and myocardial function during endurance performance was studied.

A caffeine solution (250 ml; 5 mg caffeine/kg body weight) ingested 1 hour prior to 2 hours of running by 5 subjects was shown to have no significant effect on sweat loss, water deficit, percentage change in plasma volume, final rectal temperature and serum electrolyte levels, as compared with a similar control group who were given a caffeine-free drink.

The rectal temperatures in both groups did, however, reach levels known to be associated with heatstroke despite a recommended regimen of fluid replacement. No pathological electrocardiographic changes occurred in either group.

It is therefore concluded that the use of caffeine for ergogenic purposes by young athletes is a relatively safe procedure.

rectal temperature ... ick.


VeloRainDog said...

I often find myself going back and forth on the whole coffee/caffeine thing--lately being much more forth than back. It's good to have a little science-like support.

X Bunny said...

i hope they paid them well for the rectal temps
but they were probably volunteer students

did you do rectal temps in the physio lab, pab?

Velo Bella said...

5 subjects?

I'm no science type, but that hardly seems enough of a population. I mean the error rate on a population of only 5 is...


coffee = morning nectar

Olaf Vanderhoot said...

thank allah you caught that ... do you see where the study took place? and the year?


well ... not really.


Velo Bella said...


The only conclusion I think we can make from this study is that somewhere there are five runners with very hot asses.

PAB said...

hmm, rectal temps.

yes we did those in the lab, sometimes on poor souls who had to ride a bike--with the probe in place!

I never volunteered....

X Bunny said...

who performed the probe insertion?

PAB said...


not me.

actually, i think they went in the potty room and did it themselves...

X Bunny said...

probably for the best

Benjaminiac said...

when do you people work!?!

Olaf Vanderhoot said...

hey now, J-maniac - keep those four letter words out of here ... we're trying to keep down the 'questionable language' to a minimum.


X Bunny said...

we may
or may not
be at work

but the real question is
are we accomplishing anything?

PAB said...

i got the freaking chimney unplugged today--that's gotta count for something!

Chico Cyclist said...

Coffee = Heaven.