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Diet-restricted mice perform better in sports



 
 
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  #11  
Old June 7th, 2005, 01:12 PM
David Geesaman
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"DZ" wrote in message
...
Calorie-restricted mice perform better in tasks that involve reaction,
speed and have better endurance. The study corroborates on the earlier
finding that the combination of caloric restriction and free exercise
acts synergistically to increase muscle endurance and strength.

Free full text -
http://www.jstage.jst.go.jp/article/...4_209/_article


What are you, a man or a mouse?

Dave


  #12  
Old June 7th, 2005, 01:28 PM
Hobbes
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In article , DZ
wrote:

Hobbes wrote:
"Matthew" wrote:
"DZ" wrote:
Calorie-restricted mice perform better in tasks that involve reaction,
speed and have better endurance. The study corroborates on the earlier
finding that the combination of caloric restriction and free exercise
acts synergistically to increase muscle endurance and strength.

Free full text -
http://www.jstage.jst.go.jp/article/...4_209/_article

From the study:
"In response to assigned tasks, the diet-restricted mice performed

better in
all activities: they climbed out of obstacles faster, freed themselves
sooner from restraint by gummed tape, hung from a bar longer, and better
resisted slipping down a slope."

Most of the tests favor a lower body weight and/or smaller size, so I don't
think you can say calorie restriction can increase muscle strength.


Relative strength is increased, judging by the results. It would be hard
to extrapolate to human success in sports.


I remember two individuals posting to these groups who claimed ability
to do multiple muscle-ups. Both are on some sort of dietary
restriction. First one is this guy - http://tinyurl.com/2qw6n and the
other one is me


Which is a measure of relative strength. I meant it wasn't transferable to
sporting success because in sports where relative strength is important
(ie. weightlifting, wrestling, etc.) you'd be competing against other
athletes who also restrict calories.

--
Keith
  #13  
Old June 7th, 2005, 01:31 PM
Matthew
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"David Cohen" wrote in message
k.net...

"DZ" wrote
Sam wrote:
"DZ" wrote:
Calorie-restricted mice perform better in tasks that involve reaction,
speed and have better endurance. The study corroborates on the earlier
finding that the combination of caloric restriction and free exercise
acts synergistically to increase muscle endurance and strength.

Free full text -
http://www.jstage.jst.go.jp/article/...4_209/_article

It can be dangerous to extrapolare to humans from mice...


And even more dangerous not to.
We wouldn't have biology or medicine to speak of.


I volunteer the members of rec.running and alt.support.diet to take the
place of mice, rats, pigs, beagles and chimps in all experiments.

Fine, but do you really think any researcher is willing to pay me for the
duration of a calorie restriction study?

Matthew


  #14  
Old June 7th, 2005, 02:14 PM
David Cohen
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"Matthew" wrote
"David Cohen" wrote
"DZ" wrote
Sam wrote:
"DZ" wrote:
Calorie-restricted mice perform better in tasks that involve
reaction,
speed and have better endurance. The study corroborates on the
earlier
finding that the combination of caloric restriction and free exercise
acts synergistically to increase muscle endurance and strength.

Free full text -
http://www.jstage.jst.go.jp/article/...4_209/_article

It can be dangerous to extrapolare to humans from mice...

And even more dangerous not to.
We wouldn't have biology or medicine to speak of.


I volunteer the members of rec.running and alt.support.diet to take the
place of mice, rats, pigs, beagles and chimps in all experiments.

Fine, but do you really think any researcher is willing to pay me for the
duration of a calorie restriction study?


Oh, sorry, you thought I meant just CR experiments. I was thinking of
chemical castration, vocal cord resection, the effects of Usenet posting on
erectile dysfunction, etcetera

David


  #15  
Old June 7th, 2005, 03:39 PM
Doug Freese
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"Sam" wrote in message
.net...
It can be dangerous to extrapolare to humans from mice...



But some of our races are run in circles or maze like trails and we do
eat cheese. Isn't that enough direct evidence?

-DF


  #16  
Old June 7th, 2005, 04:38 PM
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I gotta agree. Although I prefer running on fuel instead of an empty
stomach, and I'm more comfortable, running on empty has produced my
best times. I figured I was just running faster to get home to the
food...

  #17  
Old June 7th, 2005, 04:39 PM
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I gotta agree. Although I prefer running on fuel instead of an empty
stomach, and I'm more comfortable, running on empty has produced my
best times. I figured I was just running faster to get home to the
food...

  #18  
Old June 7th, 2005, 07:02 PM
JMW
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DZ wrote:

That's the last thing I would think of and is a severe restriction on
the common meaning of extrapolation: the reason we can't extrapolate
is that in a real situation calorie restricted athletes wouldn't
directly compete with unrestricted. The broader meaning warrants
vigilance still we're more mice than we're not.


And our best-laid plans, gang aft agley, lea'e us nought but grief an'
pain.
--

JMW
http://www.rustyiron.net
  #19  
Old June 7th, 2005, 07:04 PM
spodosaurus
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Default

DZ wrote:
Calorie-restricted mice perform better in tasks that involve reaction,
speed and have better endurance. The study corroborates on the earlier
finding that the combination of caloric restriction and free exercise
acts synergistically to increase muscle endurance and strength.

Free full text -
http://www.jstage.jst.go.jp/article/...4_209/_article


I can jus' see 'em now, the wee little mieces in their uniforms with
thar tiny little helmets trying to get a first down!

--
spammage trappage: replace fishies_ with yahoo

I'm going to die rather sooner than I'd like. I tried to protect my
neighbours from crime, and became the victim of it. Complications in
hospital following this resulted in a serious illness. I now need a bone
marrow transplant. Many people around the world are waiting for a marrow
transplant, too. Please volunteer to be a marrow donor:
http://www.abmdr.org.au/
http://www.marrow.org/
  #20  
Old June 7th, 2005, 11:43 PM
Hobbes
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Posts: n/a
Default

In article , DZ
wrote:

Hobbes wrote:
DZ wrote:
Hobbes wrote:
"Matthew" wrote:
"DZ" wrote:
Calorie-restricted mice perform better in tasks that involve reaction,
speed and have better endurance. The study corroborates on the earlier
finding that the combination of caloric restriction and free exercise
acts synergistically to increase muscle endurance and strength.

Free full text -
http://www.jstage.jst.go.jp/article/...4_209/_article

From the study:
"In response to assigned tasks, the diet-restricted mice
performed better in all activities: they climbed out of
obstacles faster, freed themselves sooner from restraint by
gummed tape, hung from a bar longer, and better resisted
slipping down a slope."

Most of the tests favor a lower body weight and/or smaller size,
so I don't think you can say calorie restriction can increase
muscle strength.

Relative strength is increased, judging by the results. It would be hard
to extrapolate to human success in sports.

I remember two individuals posting to these groups who claimed ability
to do multiple muscle-ups. Both are on some sort of dietary
restriction. First one is this guy - http://tinyurl.com/2qw6n and the
other one is me


Which is a measure of relative strength. I meant it wasn't transferable to
sporting success because in sports where relative strength is important
(ie. weightlifting, wrestling, etc.) you'd be competing against other
athletes who also restrict calories.


That's the last thing I would think of and is a severe restriction on
the common meaning of extrapolation: the reason we can't extrapolate
is that in a real situation calorie restricted athletes wouldn't
directly compete with unrestricted. The broader meaning warrants
vigilance still we're more mice than we're not.


I'd have to disagree. In the real world all weight class athletes and
athletes who require high levels of relative strength for sporting success
(ie. gymnastics) are calorie restricted to some degree. Obviously heavier
weight classes less than lighter, but I, for example, have to restrict
calories to maintain weight at 100 kgs for powerlifting and more so at 94
for olympic lifting. All freestyle wrestlers I know are calories
restricted. Gymnasts are certainly calorie restricted.

The problem is extrapolating what the mice demonstrated to 'sports'.
Simple tasks which require a minimum of motor skills hardly compare to
sport.

I realize I worded my response poorly and didn't indicate this. I wrote my
response in the midst of studying for two finals which I wrote today. I
was engaging more in free thought than clarity here.

--
Keith
 




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