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Wrong calculation of the anaerobic threshod app

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  • A Offline
    albiurs
    last edited by 20 Aug 2023, 18:51

    Hi,

    According to Joe Friel’s blog post at the TrainingPeaks website, there’s an error in the Suunto’s anaerobic threshold sport app:
    https://www.trainingpeaks.com/learn/articles/joe-friel-s-quick-guide-to-setting-zones/

    The lactate threshold heart rate (LTHR) is clalculated correctly by Suuno’s anaerobic threshold app as the average of the last 20 minutes from the 30 minutes run. However, the Pace Zones (Running) are based on the Functional Threshold Pace (FTP), and have to be calculated as the average pace for the entire 30 minutes (not only the last 20 minutes like the anearobic threshodld app does).

    This is from Joe Friel’s blog post linked above:
    “Setting Pace Zones (Running)
    Step 1
    Determine your Functional Threshold Pace (FTP) using either a runner’s GPS device or an accelerometer. To do this, warm up and then run for 30 minutes just as described under “Setting Heart Rate Zones, Step 1” above. Your FTP is your average pace for the entire 30 minutes (not the last 20 minutes). This is best done early in the Base period and then every 4 to 6 weeks thereafter. The more times you do this test the more accurate your FTP will become.”

    Thanks for fixing.

    N 1 Reply Last reply 25 Aug 2023, 11:20 Reply Quote 0
    • I isazi moved this topic from [iOS] Issues & Bugs on 21 Aug 2023, 09:43
    • I Offline
      isazi Moderator
      last edited by 21 Aug 2023, 09:45

      I will forward this to the app developer, so they can ask the sports scientists involved. Thanks.

      Watch: Suunto Vertical Ti

      Blog: isazi's home

      1 Reply Last reply Reply Quote 1
      • N Offline
        NeaLuu @albiurs
        last edited by 25 Aug 2023, 11:20

        @albiurs Thanks for this! and thanks @isazi for the notification. The calculations were indeed wrong, we’ll fix this 🙆

        1 Reply Last reply Reply Quote 4
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