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Cycling VO2max and MHR (running or cycling ?)

6242381
over 1 year ago

Hello everyone ! 

I have a HRM Pro Plus and a Garmin Edge 530 that I use for running and cycling respectively. I've read in this forum that VO2max calculations depend on the MAX HR setting you have. For the Garmin Edge 530, are we supposed to enter our max HR when cycling or our absolute max heart rate (my max value comes from a run test) ? Currently I've entered my absolute max heart (194 bpm) and I don't know if this might be overestimating my Cycling VO2max 

  • 0 over 1 year ago

    I just let my devices detect my max HR, and then that data is shared across devices. For example, I use my Epix for most activities and it auto-calculates my max HR. This information goes into the Garmin ecosystem and then when my 530 syncs, it gets updated values. I have different max HR values for my running and biking, but my biking values pass over from my Epix to my 530.

  • 0 over 1 year ago

    I did just the opposite.

    I disabled max HR detection/estimation both on my F6X and Edge 530. The reason was that ithey gave me unrealistically low max HR data.

    Even if I did a ride recently and achieved 180 bpm as real max during the ride, so I manually set it as a new max HR, my Edge estimated 2-3 weeks later on another ride that my new max HR was 168. Which is just simply nonsense, its algorithm does not work in my case.

    So my conclusion was that one has to disable it.

    Maybe it works for somebody, but for those who really did max HR tests in the last 12 months it has to be disabled evidently.

    And for those who have not gone through the painful max HR tests it depends on whether they achieved relevantly higher HRs during an activity compared to the max HR estimations of the same period. If so even they should disable the max hr detection/estimation, as well.

    Speaking about VO2max: I dont know whether my relatively high max HR vs my age overestimates my VOmax data, but my present VO2max data is 8-10% lower than those I achieved in labs 9-11 years ago, and it is quite logical. I did both lactate based tests with bicycle and respiratory-based (with mask) tests both running and cycling.

    To be honest my F6X gives me not just a sensible VO2max, but also a sensible LTHR (just when running, because I dont use F6X for cycling any longer), while my Edge 530 gives me just a sensible VO2max for cycling, and just a bit suspiciously higher FTP (just a bit, really, I speak about  a diference of 5-7%),   but a seeemingly highly underestimated cycling LTHR.

    I already posted about it in another threads, cycling LTHR is in the range of 156-158, while running LTHR is in the range of 168-170, so the difference is too high to accept it.

    So I think that among those measures being auto detected by 530  ( a) MAX HRc b) FTP c) LTHRc d) VO2MAXc ) VO2MAX is just the most sensible.