Why does HRM-Dual consistently shows *very* high HR (170+) during first 6-8 min of warmup during runs? Is this a fit issue? Don't feel like I've maxed out my HR; not gasping
Garmin HRM-Dual 010-12883-00 | PC Špital
Garmin HRM-Dual | MALL.SK
Elastický remienok pre pulzmetre HRM-Dual / PREMIUM (ND)
Garmin HRM-Dual Heart Rate Belt - Running Watch - Heart Rate Watches - Digital - All