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Hour and a half of weight lifting without anaerobic effect :) Really?! :)

Didn't know weight lifting could be so aerobic, and no anaerobic at all. I think Garmin are not good in this area, at least not yet.

  • 1. Why not allow users to set specific HR zones for Strength Training as is allowed for Running and Cycling?

    The strength training activity profile is already able to differentiate between reps vs rest and count reps.

    2. Tweak the algorithm to look more anaerobically at HR increases when reps is detected?

    3. Tweak the algorithm to look more anaerobically at low reps vs high reps?

    If Garmin can use the Strength Training activity to fairly accurate display the muscles that are used during the workout, then surely they should be able to implement tweaks to make Training Status more meaningful for Strength Training activities.

    4. Tweak the algorithm to look more anaerobically at upper body exercises?

  • Currently I believe the 'Secondary' Heart Rate Zones in Device/UserSettings will allow for a greatly reduced maximum HR if so inclined for non-running/cycling activities.  So that should help to indicate that you are getting a fairly high HR.  However for item 1, it is the change of heart rate from low to high that is one of the bigger drivers.  

    But I use Strength training setting for many different things, circuit, lifting, rehab, kickboxing.  Some things are sustained and hard over a minute or two between recoveries.  

    I think the Rep count could play into it to be beneficial to the calculation though, although Rep count and lift type is often way off for a lot of things until edited (sometimes I don't bother editing).  The Training Effect is done via the watch, so doesn't take into account edit to type/count after the fact.  Would be nice if you could 're-run' workout analysis.

    Ultimately if your heart rate is 90bpm at start of a one leg calf workout or single arm curl... and only raises to 110 during a set... gonna be impossible for the watch to know you are doing a workout that is only targeting one muscle and that small muscle is dyeing and was worked to failure.  If out of shape cardiovascularly, I suppose lifting will probably raise HR a bit more and be a bit more responsive for the watch to pickup, especially if you have strong muscles can put in some good work.

    in the same way if I do short sprints and my HR goes repeatedly from jog 120bpm to 150/160... I don't get much Anaerobic TE either!!  (max HR 194)  Although they were hard and fast hill sprints!

  • As you pointed out, their are lots of nuances that I left out. Working with HR is complicated, but they do so well for running, they even have v02max for trails. Surely, they can do better for gym activities?

    Currently I believe the 'Secondary' Heart Rate Zones in Device/UserSettings will allow for a greatly reduced maximum HR if so inclined for non-running/cycling activities. 

    Will give this a try. But I also use other activities such as rowing, which will get negatively effected if I reduced my secondary heart rate zones?

    But I use Strength training setting for many different things, circuit, lifting, rehab, kickboxing.  Some things are sustained and hard over a minute or two between recoveries.  

    They could create a separate weight lifting activity? I will even buy a new watch for this, if it provides more realistic training and recovery effect.