APPENDIX A - TARGET HEART RATE CHART
Because CHR is already trying to detect a fainter signal compared to a chest strap, it takes less of a vertical heart position to cause it to stop working. Depending on the CHR system, somewhere between 3% and 5% of the population cannot be picked up by any contact heart rate monitoring system.
This
1.Dry or dirty hands.
2.Lotion or moisturizer on hands.
3.Excessive upper body motion, such as when using
4.Excessively tight grip.
5.Erratic or labored breathing or excessive talking.
CAUSES
OF CHR
PERFORMANCE VARIATION
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Z 7 Tr e a d m i l l O w n e r ' s G u i d e