Please place the number for the upper limit of the THZ in the box for the lower THZ number and the lower THZ number in the box for the upper THZ limit.After finding your maximum heart rate, remember your target heart rate zone is 70-85% of you maximum heart rate.
What would be the lower range or your target heart zone? Response area
What would be the upper limit?
Lower range: 70% of your maximum heart rate
Upper limit: 85% of your maximum heart rate