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Low Aerobic Activity Shortage

P4UL_
over 3 years ago

Can you explain why I cannot achieve a low aerobic target when I log 3 to 6 miles per day plus steps in excess of 10,000 per day.

I cycle circa 100 miles a week and run circa 10 miles per week so get plenty of aerobic and anaerobic exercise.

  • 0 over 3 years ago

    Possibly incorrect values for your max HR and HR zones.

  • 0 over 3 years ago

    If you get plenty of anaerobic exercise it sounds like you either do very intense activities or got your max HR set too low.

    Check the table here: https://www.firstbeatanalytics.com/en/features/workout-labels/

  • 0 over 3 years ago in reply to e7andy

    Thanks Andy

    It's pretty hilly around here so most rides are 100ft climbing per mile e.g. 50 miles and 5,000ft.

    I use a 1030 plus for cycling and Forunner 945 for running and walking.

    I am 65 hence in theory my max heart rate is 155. I very rarely hit 160 on the toughest of rides or 170 on say a quick 5km run. 

    If I reset my hr zones higher I will very rarely hit Z4/5.

    Maybe the Garmin algorithms don't work so well for older athletes?

  • +1 over 3 years ago in reply to P4UL_

    You should probably set your max HR to at least 180 for running. Maybe even higher.

    170 of max HR 180 is 94%. That is really really high. Do you sprint those 5 km?

    Zone 5 is an all out effort. Your maximum. It is painful to be there and you can't stay there for long. You can't talk in this zone.

    Zone 4 is uncomfortable. Hard to talk. Just a few words between each breath.