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-Fit review | CNN Underscored
Translating Your Garmin Heart-Rate Monitor Data - Garmin Blog
How to Read a Patient Monitor: Numbers and Lines Explained
HRM Heart Rate Monitor App User Guide
Amazon.com: Garmin 010-13118-00 HRM-Pro Plus, Premium Chest Strap Heart Rate Monitor, Captures Running Dynamics, Transmits via ANT+ and BLE : Sports & Outdoors