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

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Old 08-24-2009, 11:05 AM   #1
Jared Waltz
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Tabata sample size?

In the original Tabata study there were only 7 subjects ...

http://www.ncbi.nlm.nih.gov/pubmed/8...?dopt=Abstract
(w/f/s)

Have there been any official studies since then that have incorporated a larger sample size?
(e.g. http://en.wikipedia.org/wiki/Sample_size w/f/s)
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Old 08-24-2009, 02:14 PM   #2
Rich Sarcomo
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Re: Tabata sample size?

It's also interesting that the original studay had the interval group do the 8 Tabata intervals 4 days per week and then on the fifth day they did 30 minutes of steady state exercise followed by 4 Tabata intervals. So it was not pure interval training. The steady state group on the other hand did pure steady state training - 60 minutes per session 5 days per week.
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Old 08-24-2009, 02:29 PM   #3
Shane Skowron
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Re: Tabata sample size?

The sample size was 14, not 7.

Tabata followed up his study with a similar one, linked here:
http://www.ncbi.nlm.nih.gov/pubmed/9139179 (wfs)

Quote:
Originally Posted by Rich Sarcomo View Post
It's also interesting that the original studay had the interval group do the 8 Tabata intervals 4 days per week and then on the fifth day they did 30 minutes of steady state exercise followed by 4 Tabata intervals. So it was not pure interval training. The steady state group on the other hand did pure steady state training - 60 minutes per session 5 days per week.
The steady state day was done for 30 minutes at 70% of Vo2 Max. Trained individuals can hold 70% of Vo2Max for several hours.

In other words, it was just a light half hour spin followed by light set of intervals. It's more like a recovery day than a training day.
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Old 08-24-2009, 03:55 PM   #4
Jared Waltz
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Re: Tabata sample size?

Quote:
Originally Posted by Shane Skowron View Post
The sample size was 14, not 7.
Is 14 noted in the full version of the study? Got 7 from the abstract at that first link --- "Second, to quantify the effect of high-intensity intermittent training on energy release, seven subjects performed an intermittent training exercise 5 d.wk-1 for 6 wk"
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Old 08-24-2009, 05:20 PM   #5
Shane Skowron
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Re: Tabata sample size?

Quote:
Originally Posted by Jared Waltz View Post
Is 14 noted in the full version of the study? Got 7 from the abstract at that first link --- "Second, to quantify the effect of high-intensity intermittent training on energy release, seven subjects performed an intermittent training exercise 5 d.wk-1 for 6 wk"
There were 7 other subjects who did the steady-state training for comparison. I think the control group counts in the sample size, but someone please correct me if I'm wrong.
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Old 08-24-2009, 05:41 PM   #6
Ryan Whitley
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Re: Tabata sample size?

Quote:
Originally Posted by Shane Skowron View Post
There were 7 other subjects who did the steady-state training for comparison. I think the control group counts in the sample size, but someone please correct me if I'm wrong.
The control doesn't usually count in the sample size.
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Old 08-24-2009, 05:43 PM   #7
Shane Skowron
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Re: Tabata sample size?

Quote:
Originally Posted by Ryan Whitley View Post
The control doesn't usually count in the sample size.
Thanks.
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Old 08-24-2009, 05:48 PM   #8
Donald Lee
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Re: Tabata sample size?

http://www.bodyrecomposition.com/res...d-vo2-max.html
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