Cybex 445T Treadmill Owner’s Manual
Operation
Page 3-8
NOTE: Cybex does not recommend continuous holding onto the contact heart rate grips during exercise.
Contaminants, such as hand lotions, oils or body powder, may come off on the contact heart rate grips.
These can reduce sensitivity and interfere with the heart rate signal. It is recommended that the user
have clean hands when using the contact heart rate.
Heart Rate Zone
Heart Rate is described by the number of times
your heart beats in a minute. At rest, the average
adult will have a heart rate of about 72 beats per
minute (bpm). As one begins to exercise, heart rate
increases and continues to increase as exercise
intensity or diffi culty increases.
Monitoring your heart rate is an effective way
to control the intensity of your workout and
subsequently the results it will have. Whether you
are a new participant or one with a great deal of
experience, weight loss and other performance
goals can be achieved by controlling the intensity of
your workout.
The American College of Sports Medicine
recommends that healthy adults exercise between
55 and 85% of their heart rate max. Your heart rate
max can be estimated by subtracting your age from
220. Multiply that estimated heart rate max by .55
to estimate the lower end of your heart rate training
zone. Then multiply your estimated heart rate max
by .85 to estimate the higher end of your training
zone. This heart rate training zone gives you a range
of intensities at which to exercise.
NOTE: A label is located on the console to remind
you what the heart rate zone is while you
are working out. See Figure 4.
Meaning of % Grade
A 1% grade is not the same as a 1 degree incline. The % grade is the relationship of the measurement of
rise over the measurement of run (also called slope). For example, a 1 foot (meter) rise in height over a
length of 100 feet (meters) is a 1% grade. Expressed as a mathematical formula, the grade is calculated
as follows:
1 ft. (m) / 100 ft. (m) = 0.01 = 1%
With respect to treadmills, the percent grade is roughly equal to the increase in height (rise) of the
treadmill divided by the length (run) of the treadmill.
Figure 4
This decal shows heart rate based on
percentage and age.
DE-18556-4
220 - Age = Max Heart Rate
Heart Rate Zone
200
180
160
140
120
60
Age
80
100
Beats
Per
Minute
20 30 40 50 60 70
Max
85%
65%
Max
85%
65%
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