Horizon Fitness T53 - Manual (Page 23)

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TARGET ZONE HEART RATE CHART
Your Target Zone is a percentage of your maximum heart rate. Target Zone will vary for each
individual, depending on age, current level of conditioning, and personal fitness goals. The
American Heart Association recommends working-out at a Target Heart Rate Zone of between 60%
and 75% of your maximum heart rate. See the chart below for convenient reference.
EXAMPLE: for a 42-year old user: find AGE along the bottom of the chart (round to 40),
follow AGE column up to the TARGET ZONE BAR. RESULTS: 60% of maximum Hear Rate = 108
Beats Per Minute, 75% of maximum Heart Rate = 135 Beat Per Minute.