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Why riding bikes is a better way to lose weight than jogging.



 
 
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  #21  
Old October 17th 04, 12:49 AM
Alan Acock
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wrote in news:dRhcd.17505$54.295436
@typhoon.sonic.net:

http://www.hhs.gov/news/press/2004pres/20041014.html

I asked a colleague who runs a university physical activity program about
the reports that elite cyclist lose bone density on competitive rides such
as the Tour de France. I don't have the actual study, but she said it was
based on a very small sample and had lots of problems. If somebody has a
link to a real study on this topic, it would be important to the bicycle
community.

Alan Acock
Ads
  #22  
Old October 17th 04, 12:52 AM
Roger Zoul
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Blair P. Houghton wrote:
|| Rush wrote:
||| The science of fat metabolism. why biking burns fat better than
||| jogging.
||| Fat burning occurs when you are at 65 percent heart rate. 85% is
||
|| Fat burning peaks around 50-85% MRH (pretty big range, isn't it?).
||
|| Above that range, you may find a range where you actually
|| burn less fat as you go up in total calorie expenditure,
|| but eventually the calorie expenditure will increase so
|| high that even the inefficient fat burning uses more fat
|| than your 50-85% peak.
||
|| But you don't want to ride for an hour at those exertion
|| levels. It's a mixture of aerobic and anaerobic (no course
|| is perfectly flat) activity that slowly saps your carbo
|| stores and your will to exercise just for fun and fitness.
||
|| So yes. 50-65% MRH (or about 50% VO2max) is a very good
|| and relaxing place to be if you are exercising to reduce
|| your fat without the pain that high carbohydrate-burning
|| activity can cause.
||

if you ride for 4+ hours, you can spend a decent about of time above 85% and
a good bit of time below 85%. On a bike you can rest/recover while riding.

That's a major advantage of cycling. imo.


  #23  
Old October 17th 04, 02:14 AM
Chris Neary
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As far as bone loss. After quitting jogging there are more chances of
As far as bone loss. After quitting jogging there are more chances of
osteoporosis (mainly in women) due to defense mechanisms and adaptation. In
cycling I do not know for sure, but should not have such a profound effect.


I beg to differ.


http://www.hhs.gov/news/press/2004pres/20041014.html


Says nothing about cycling.


Follow the internal link to the full report (especially Chapter 7) and you
will find many references to cycling, including ranking its potential
benefit for prevention of bone loss vs. other activities.




Chris Neary


"Science, freedom, beauty, adventu what more could
you ask of life? Bicycling combined all the elements I
loved" - Adapted from a quotation by Charles Lindbergh
  #24  
Old October 17th 04, 02:16 AM
Chris Neary
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OTOH, weight bearing exercises like jogging help prevent bone loss, while
cycling does not.


What kind of swimming pool do you cycle in?


The Surgeon General begs to differ:

http://www.surgeongeneral.gov/librar.../Chapter_7.pdf


Chris Neary


"Science, freedom, beauty, adventu what more could
you ask of life? Bicycling combined all the elements I
loved" - Adapted from a quotation by Charles Lindbergh
  #25  
Old October 17th 04, 04:15 AM
Peter
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Chris Neary wrote:

OTOH, weight bearing exercises like jogging help prevent bone loss, while
cycling does not.


What kind of swimming pool do you cycle in?



The Surgeon General begs to differ:

http://www.surgeongeneral.gov/librar.../Chapter_7.pdf


One quote from the above site:
"The best activities work all muscle groups. Examples
include gymnastics, basketball, volleyball, bicycling,
and soccer. Swimming, while highly beneficial to many
aspects of health, is not a weight-bearing activity
and thus does not contribute to increased bone mass."

Cycling is lower impact and less weight-bearing than
some other forms of exercise, but I didn't see any
indication in the above report that it wouldn't still
be of some benefit in avoiding bone loss. And cycling
in our area with numerous opportunities for significant
hill climbing is presumably more weight-bearing than
moderate cycling in flatter regions.

  #26  
Old October 17th 04, 04:48 AM
Chris Neary
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One quote from the above site:
"The best activities work all muscle groups. Examples
include gymnastics, basketball, volleyball, bicycling,
and soccer. Swimming, while highly beneficial to many
aspects of health, is not a weight-bearing activity
and thus does not contribute to increased bone mass."

Cycling is lower impact and less weight-bearing than
some other forms of exercise, but I didn't see any
indication in the above report that it wouldn't still
be of some benefit in avoiding bone loss. And cycling
in our area with numerous opportunities for significant
hill climbing is presumably more weight-bearing than
moderate cycling in flatter regions.


Note that the table on page 176 places stationery cycling in the same
category as swimming (The table does not categorize "real" cycling, but I
can't think of any reason why it's effect on bone health should be
significantly better than stationery cycling).

The same characteristics which make swimming and cycling recommended
alternatives to running for avoiding overuse-type injuries also make them
poor choices for improving bone health.

I would say under the most demanding circumstances cycling might be moved up
to the next classification "Weight-bearing, non-impact activities", making
it the equivalent of *walking* for improving bone health.

Cycling inherently does not contain the impact characteristics necessary for
it to be considered under the most beneficial classification.

From a bone health perspective, is cycling better than doing nothing? YES.

Is it the best choice for improving bone health? NO.

Probably the best approach is to avoid over-specialization in any one
exercise, instead participating in a range of activities for best overall
health.


Chris Neary


"Science, freedom, beauty, adventu what more could
you ask of life? Bicycling combined all the elements I
loved" - Adapted from a quotation by Charles Lindbergh
  #27  
Old October 17th 04, 05:43 AM
Peter
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Chris Neary wrote:

One quote from the above site:
"The best activities work all muscle groups. Examples
include gymnastics, basketball, volleyball, bicycling,
and soccer. Swimming, while highly beneficial to many
aspects of health, is not a weight-bearing activity
and thus does not contribute to increased bone mass."

Cycling is lower impact and less weight-bearing than
some other forms of exercise, but I didn't see any
indication in the above report that it wouldn't still
be of some benefit in avoiding bone loss. And cycling
in our area with numerous opportunities for significant
hill climbing is presumably more weight-bearing than
moderate cycling in flatter regions.



Note that the table on page 176 places stationery cycling in the same
category as swimming (The table does not categorize "real" cycling, but I
can't think of any reason why it's effect on bone health should be
significantly better than stationery cycling).


I'd guess that most stationary cycling is done at a rather low force
level at uniform pace. That's quite different from regular cycling
where terrain, wind, traffic signals, etc. result in much more varied
exertion levels and increased weight-bearing when starting from stops,
climbing hills, accelerating, etc. Sure, stationary cycling can include
such variations, but it comes naturally with regular cycling, and
especially in hilly regions like the SF bay area.

The quote at the top which I took from the report makes it clear that
regular bicycling is considered to be in a different category than
swimming from the standpoint of weight-bearing.

The same characteristics which make swimming and cycling recommended
alternatives to running for avoiding overuse-type injuries also make them
poor choices for improving bone health.

I would say under the most demanding circumstances cycling might be moved up
to the next classification "Weight-bearing, non-impact activities", making
it the equivalent of *walking* for improving bone health.


Of course walking is repeatedly cited in the Surgeon General's report as
a very beneficial activity. I don't see that having cycling be the
equivalent of walking for this purpose should be viewed as a negative.

Cycling inherently does not contain the impact characteristics necessary for
it to be considered under the most beneficial classification.

From a bone health perspective, is cycling better than doing nothing? YES.

Is it the best choice for improving bone health? NO.


I agree but note that your statement above is quite different from that
in your previous post:
"OTOH, weight bearing exercises like jogging help prevent bone loss,
while cycling does not."

Probably the best approach is to avoid over-specialization in any one
exercise, instead participating in a range of activities for best overall
health.


Actually I think you said it best befo
"Now the $60K question: Why does it have to be bike riding vs. jogging?
Getting more folks to be more active in *any* manner would pay a myriad
of dividends."

When I look at the list of activities that might be the *best* for
retaining bone mass they all tend to be ones that I'd hate doing and
which from my past experience lead to joint injuries which then restrict
me from other forms of exercise, like bicycling, hiking, kayaking, which
I do enjoy.
Since I don't have a family history of bone-loss issues I'm not going
to be overly concerned that my main activities aren't right up at the
top of the list for avoiding such problems.

  #28  
Old October 17th 04, 06:20 AM
Chris Neary
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Note that the table on page 176 places stationery cycling in the same
category as swimming (The table does not categorize "real" cycling, but I
can't think of any reason why it's effect on bone health should be
significantly better than stationery cycling).


I'd guess that most stationary cycling is done at a rather low force
level at uniform pace. That's quite different from regular cycling
where terrain, wind, traffic signals, etc. result in much more varied
exertion levels and increased weight-bearing when starting from stops,
climbing hills, accelerating, etc. Sure, stationary cycling can include
such variations, but it comes naturally with regular cycling, and
especially in hilly regions like the SF bay area.


The report is silent as to what they specifically mean by "stationary
cycling". If they mean plunking someone down on a stationary bike and
grinding away for a set period of time I'd say you're correct. OTOH, if they
mean a well-run spin class, my experience is the quality of the workout is
right up there with the most strenous training rides.

When I look at the list of activities that might be the *best* for
retaining bone mass they all tend to be ones that I'd hate doing and
which from my past experience lead to joint injuries which then restrict
me from other forms of exercise, like bicycling, hiking, kayaking, which
I do enjoy.


Hiking is on the "Best" list, so you're covered. But I agree, if the choice
is between not being active and engaging in in an activity which is not the
best for preventing bone loss, it's an easy choice.

Since I don't have a family history of bone-loss issues I'm not going
to be overly concerned that my main activities aren't right up at the
top of the list for avoiding such problems.


A number of "mature" women in our cycling club *are* at risk, and they are
riding less but doing other activities (hiking, running, and weight lifting)
as a result.


Chris Neary


"Science, freedom, beauty, adventu what more could
you ask of life? Bicycling combined all the elements I
loved" - Adapted from a quotation by Charles Lindbergh
  #29  
Old October 17th 04, 06:52 AM
Terry Morse
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Chris Neary wrote:

Note that the table on page 176 places stationery cycling in the same
category as swimming (The table does not categorize "real" cycling, but I
can't think of any reason why it's effect on bone health should be
significantly better than stationery cycling).


Cycling on the road, as opposed to a stationary bike, induces
vibration, and vibration increases bone density:

http://www.abc.net.au/science/news/h...ish_343550.htm

--
terry morse Palo Alto, CA http://bike.terrymorse.com/
  #30  
Old October 17th 04, 09:41 AM
Roger Zoul
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Chris Neary wrote:
||| One quote from the above site:
||| "The best activities work all muscle groups. Examples
||| include gymnastics, basketball, volleyball, bicycling,
||| and soccer. Swimming, while highly beneficial to many
||| aspects of health, is not a weight-bearing activity
||| and thus does not contribute to increased bone mass."
|||
||| Cycling is lower impact and less weight-bearing than
||| some other forms of exercise, but I didn't see any
||| indication in the above report that it wouldn't still
||| be of some benefit in avoiding bone loss. And cycling
||| in our area with numerous opportunities for significant
||| hill climbing is presumably more weight-bearing than
||| moderate cycling in flatter regions.
||
|| Note that the table on page 176 places stationery cycling in the same
|| category as swimming (The table does not categorize "real" cycling,
|| but I can't think of any reason why it's effect on bone health
|| should be significantly better than stationery cycling).
||
|| The same characteristics which make swimming and cycling recommended
|| alternatives to running for avoiding overuse-type injuries also make
|| them poor choices for improving bone health.
||
|| I would say under the most demanding circumstances cycling might be
|| moved up to the next classification "Weight-bearing, non-impact
|| activities", making it the equivalent of *walking* for improving
|| bone health.
||
|| Cycling inherently does not contain the impact characteristics
|| necessary for it to be considered under the most beneficial
|| classification.

I can't get the report for some reason. What are "impact characteristics"?
I regulary lift weights and I don't suffer any impact from doing so, even
though the activity is weight bearing.

||
|| From a bone health perspective, is cycling better than doing
|| nothing? YES.
||
|| Is it the best choice for improving bone health? NO.
||
|| Probably the best approach is to avoid over-specialization in any one
|| exercise, instead participating in a range of activities for best
|| overall health.

Of course. Cycling is great, but it should not be the only exercise people
get.

||
||
|| Chris Neary
||
||
|| "Science, freedom, beauty, adventu what more could
|| you ask of life? Bicycling combined all the elements I
|| loved" - Adapted from a quotation by Charles Lindbergh


 




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