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Fitness Theory and Practice. CrossFit's rationale & foundations. Who is fit? What is fitness?

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Old 02-01-2009, 10:41 AM   #1
Kurt Armbruster
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Quirks and Quarks interviews high-intensity researcher

Not sure if this is good news, no news, or a “what the?” moment.

Quirks and Quarks is Canada’s national science radio show. Here is the abstract from this week’s top segment:

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The No-Sweat Workout

Are you tired of being out-of-shape? Want all the health benefits of being an athlete, but can't commit to all those grueling hours in the gym? Well, now you can work out in as little as six minutes a week! Yes, it sounds like another one of those fly-by-night fitness fads, but there's some pretty solid evidence that short, intense bursts of exercise do have some pretty impressive effects. Dr. Jamie Timmons, an exercise biologist at Heriot-Watt University in Edinburgh, has been looking at how little exercise we can do and still get the protective benefits of being active -- specifically, prevention of diabetes and heart disease. Dr. Timmons has found that doing four 30-second sprints on a stationary bike, twice a week, is as effective at preventing disease as much more time-intensive regimes.
You can get an MP3 of the entire show (or just the segment) here:

http://www.cbc.ca/quirks/archives/08...009-01-31.html

Link is WFS, and includes links to further research

The take-home for me was that the key is high-intensity.

So the question is, is this good science for CrossFit’s case, or is it "no news in the news" as they say on CFR?
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Old 02-01-2009, 11:58 AM   #2
Steven Low
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Re: Quirks and Quarks interviews high-intensity researcher

High intensity is high intensity. Doesn't matter what modality it is. Well, it does but for non-athletes it doesn't matter THAT much.

30s sprints on an erg sounds like it was stolen from the Wingate test.
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Old 02-03-2009, 08:31 PM   #3
David Vessey
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Re: Quirks and Quarks interviews high-intensity researcher

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Originally Posted by Kurt Armbruster View Post
Not sure if this is good news, no news, or a “what the?” moment.

Quirks and Quarks is Canada’s national science radio show. Here is the abstract from this week’s top segment:



You can get an MP3 of the entire show (or just the segment) here:

http://www.cbc.ca/quirks/archives/08...009-01-31.html

Link is WFS, and includes links to further research

The take-home for me was that the key is high-intensity.

So the question is, is this good science for CrossFit’s case, or is it "no news in the news" as they say on CFR?
haha, I was talking to my parents the other night and they mentioned hearing this on the radio. I told them to take a look at Tabata intervals

I'm sure 30s is better than nothing... not sure what they're comparing against.
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Old 02-03-2009, 08:36 PM   #4
Stanley Walter
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Re: Quirks and Quarks interviews high-intensity researcher

Sounds like a reduced form of HIIT.

Hilarious reading about stuff we've all known about for a few years now.
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Old 02-03-2009, 10:21 PM   #5
Michael Bruce Mailman
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Re: Quirks and Quarks interviews high-intensity researcher

People are ALWAYS looking for an easy answer. I reckon if you can't be bothered exercising for longer then 6 minutes a weeks you wouldn't be able to muster the intensity necessary to get the benefits this questionable research promises!
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Old 02-03-2009, 10:26 PM   #6
Stanley Walter
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Re: Quirks and Quarks interviews high-intensity researcher

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Originally Posted by Michael Bruce Mailman View Post
People are ALWAYS looking for an easy answer. I reckon if you can't be bothered exercising for longer then 6 minutes a weeks you wouldn't be able to muster the intensity necessary to get the benefits this questionable research promises!
Yeah, that is true too.

Although, 6 min of HIIT per week WOULD be a good start.
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