Spri Aquatic Heart Rate Chart

This large, simple to read, laminated, water resistant Heart Rate Training Chart.

The Spri Aquatic Heart Rate Chart uses the Heart Rate Reserve method to determine 60% and 85% heart rate training zones.

On this Spri Chart, 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 with the Spri Aquatic Heart Rate Chart.

Chart Size: 22" x 30"