The Effort Equation

The first four weeks

Heart-rate zones

Use these heart-rate zones during your "Start It Up" workouts (see previous page)    Photo: Outside Magazine

Our program will lead you in and out of the above heart-rate zones, based on your maximum heart rate (MHR). These intensities should also correspond to your own perceived exertion.

From Outside Magazine, May 2002 Get the Latest Issue

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