The computer will not accept:
heart rates less than 52 or greater than 200 beats per minute
body weights less than 75 pounds (34 kg) or greater than 400 pounds (181 kg)
ages below 10 or over 99 years
data input that exceeds human potential
If an error is made when entering any Fit Test data, correct it by pressing CLEAR, inputting the correct information, and pressing ENTER.
It is important to take the Fit Test under similar circumstances each time. Heart rate is dependent on many factors, including:
amount of sleep the previous night (at least seven hours is recommended)
time of day
time of last meal (two to four hours after the last meal is recommended)
time since last beverage containing caffeine or alcohol, or cigarette (at least four hours is recom- mended)
time since last exercised (at least six hours is recommended)
For the most accurate Fit Test results, perform the Fit Test on three consecutive days and average the three scores.
NOTE: To receive a proper Fit Test score, the work done must be within a training heart rate zone that is 60 percent to 85 percent of the theoretical maximum heart rate (HRmax). This rate is defined by the American College of Sports Medicine's "Guidelines for Exercise Testing and Prescription" as equal to 220 minus an individual's age.
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