This large, simple to read, laminated, water resistant Heart Rate Training Chart uses Heart Rate Reserve method to determine 60% and 85% heart rate training zones.

The Aquatic Adjustment of 17 beats per minute is used when calculating 6 and 10 second target heart rate zone beat equivalence.  Corresponding color-coded rating of perceived exertion also included.         Size: 22" x 30"

Product SKU: WC-ATC