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Chrisw1980
Joined: 10 Feb 2009
Posts: 24
Location: CARDIFF
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 Posted Wed Nov 11, 2009 4:12 pm |
When doing intervals what zone ie heart rate level do you go to do you go into the anerobic level whilst doing that interval then drop back down into aerobic then whilst you recover (hope i have explained that correct)
Chris
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ride_whenever
Joined: 17 Oct 2006
Posts: 8268
Location: United Kingdom
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Posted Wed Nov 11, 2009 4:28 pm |
depends what you're trying to achieve.
For lactate tolerance then yes.
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456!
silly little bike |
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Alex_Simmons/RST
Joined: 14 Sep 2007
Posts: 1774
Location: Sydney, Australia
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Posted Wed Nov 11, 2009 10:57 pm |
HR response is far too slow to indicate when you have gone into using primarily anaerobic metabolism. By the time it gets very high, you will have already finished and been done with working anaerobically.
Custom Training Plans -- cyclecoach.com -- My blog |
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SBezza
Joined: 04 Feb 2008
Posts: 504
Location: Aylesford, Kent
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Posted Thu Nov 12, 2009 8:51 am |
When I do intervals it takes about a minute to get up to the correct range, so any interval less than 1 min it is pointless to use HR.
For intervals of 2 mins or less, I will use RPE, or judge it on wheel speed on the turbo. My turbo has a power reading, but take that reading with a pinch of salt, though I think mine is fairly repeatable.
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Bhima
Joined: 07 Nov 2008
Posts: 1465
Location: Manchester
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Posted Thu Nov 12, 2009 11:25 am |
I think it's only possible to cycle anaerobically for a few seconds max and your HR is slow to react to changes in power, so would be useless here.
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SBezza
Joined: 04 Feb 2008
Posts: 504
Location: Aylesford, Kent
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Posted Thu Nov 12, 2009 11:41 am |
| Bhima wrote: | | I think it's only possible to cycle anaerobically for a few seconds max and your HR is slow to react to changes in power, so would be useless here. |
Alex would probably be best to say, but I think anything up to 30 secs is likely to be mainly anaerobic in nature, but even 1 to 2 mins, uses the anaerobic system a fair bit as well AFAIR, and HR is not the best method to use.
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