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Intensity Minutes 10min Threshold

I am looking to understand the intensity minute threshold as its confusing me. So on my vivio 4 I understand that my HR needs to maintain in moderate for >10mins for it start counting for intensity minutes. From the garmin website: 'Once you exceed that time threshold, the amount of credit will increase by 10mins and will continue to accrue if you remain in your moderate or vigorous threshold'

My question is this: How is it calculated after that threshold is met? If i dip in and out of my moderate/vigorous zones will I still accrue once I get back in them?

To give an example some of my circuits involve a 15min warm up (this activates the 10min threshold), but the exercises after result in big heart rate spikes rising up then dropping down sometimes just out of the 'moderate' zone.

I currently have my intensity tracking set to Auto it seems easier than messing with the HR zones.

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trux over 1 year ago +1 verified

Shhtteeve said:
f i dip in and out of my moderate/vigorous zones will I still accrue once I get back in them?

Only intervals were your HR is continuously above the threshold for longer than 10 minutes are…

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+1 trux over 1 year ago

Shhtteeve said:
f i dip in and out of my moderate/vigorous zones will I still accrue once I get back in them?

Only intervals were your HR is continuously above the threshold for longer than 10 minutes are counted. Shorter intervals are discarded. So if your HR is above the threshold for 15 minutes, then drops down for a moment, and then it is above the threshold for 5 minutes, then drops down again, and again rises above the threshold for continuous 20 minutes, then only the 15 + 20 = 35 minutes will be counted.

0 Shhtteeve over 1 year ago in reply to trux

This would probably be fine for what I need as usually I only dip below for a couple of minutes then im back in for another 15-20.

Would it be more effective to use the H/R adjusted for intensity mins? that way i can adjust what is considered moderate? Im not sure it really matters as I know what im doing, would just be nice to have it reflected.

0 trux over 1 year ago in reply to Shhtteeve

Shhtteeve said:
Would it be more effective to use the H/R adjusted for intensity mins?

You'd need to define what you mean by "more effective". If you want to have the most IMs possible, the use HR Zones and set them low - then you can have Intensity Minutes even when you sleep . If your Resting HR is accurate (wearing the watch at night), then the IMs are what they were designed for, and are comparable with the majority of others (since it is the default setting, and the Resting HR adjusts automatically).

0 Shhtteeve over 1 year ago in reply to trux

I do sleep very intensely ahaha.It seems work fine on auto, was just curious as to how it calculates, presume it has an algorithm that includes all sorts of data. I havent been wearing the watch at night, need to get in the habit of that. Thanks for your help Trux.