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Zoning Cards (10 pack)
Use this card to carry with you the three different zones and why to train in them. The emphasis in the zones is on color systems, Red-Hard zone, Yellow-Mellow zone, and Blue-Easy zone.
This card shows your physical effort, your caloric expenditure, fat burning, and the benefit of you training in each of the different colorful zones. Use this card as a teaching tool to explain the three zones (blue, yellow, red) in the threshold training system patented by Heart Zones' founder and CEO, Sal Edwards!
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