Calorie burn significantly low

Hello,
Recently bought garmin instinct and I'm quite happy with it.
My activities are running and kayaking.
When running, the calorie burn is reasonable and much another app I use.
When kayaking (30-40km), the calorie burn is significantly lower (about half) then what it should be. I wonder is it due to the lower heart rate at this activity (90bpm)?
is it possible to set specific heat rate zone of kayaking? and will it fix the calorie problem?
I did add another HR zone but now there is one for running and one "secondary".... I can only guess that the "secondary" is for the day to day and not for an activity.....
I would appreciate some help with all of this.
Thanks.

Top Replies

WD over 3 years ago +1

I'm not a kayaker, but that is using your arms, correct? Arms being probably 1/2 to 1/3 the size of your quads and legs might be a factor. I would suspect Garmin would take the muscle groups used into…

All Replies

0 WD over 3 years ago

I'm not a kayaker, but that is using your arms, correct? Arms being probably 1/2 to 1/3 the size of your quads and legs might be a factor. I would suspect Garmin would take the muscle groups used into the equation. Hopefully someone will add to this.