Cybex 750T Treadmill Owner’s Manual
Program
Overviews
Page B-10
HR Control (P-9)
NOTE: To use this feature, a Polar® compatible heart rate transmitter belt (not included) must be worn.
Program Overview
The Heart rate Control program is interactive. By selecting a predetermined heart rate, the treadmill will
adapt the elevation and speed to keep the user’s heart rate at that level. This program is exceptionally
useful for those individuals just starting out as well as the athlete. By maintaining the predetermined heart
rate, the user is less likely to over or under exert themselves thereby ensuring they get all they should
out of their training. Over time, the user will notice that as their fi tness level improves and using a given
time and heart rate that they will see more ground covered, more calories burned and a higher MET level
during the program.
A MET is a basic unit of measurement that is used to compare relative work between individuals and
activities. One MET is the amount of oxygen an individual consumes at rest. If an individual were working
at four METs, he/she would be consuming oxygen at a rate equal to four times their resting consumption
METs can be used to compare walking on a grade with running or even to cycling and other activities.
Gerkin Protocol (FT1)
Program Overview
This program was designed to predict the VO2 max using the Gerkin protocol. This test is used by the
International Association of Firefi ghters to evaluate fi tness level.
The speed range of the program includes walking speeds at 3 MPH then increases to 4.5 MPH or more
during the middle stages. It returns to 3 MPH during the cool down session.
Elevation is used during the second stage of the test. It starts at a 2% grade and can increase from there.
Input information:
Age
Weight
Gender
Heart rate (Polar
®
compatible wireless chest strap required)
Test procedure:
1. 3 minute warm-up at 0% grade, 3mph.
2. Stage 1 – 1 minute, 0% grade, 4.5 mph. Walk or run. Heart rate is recorded during the last 15
seconds of each stage.
3. Stage 2 – 1 minute, 2% grade, 4.5 mph.
Speed and grade increases now alternate. At odd numbered stages, speed increases by 0.5 mph. •
At even numbered stages, grade increases 2%.
If heart rate is 85% or above, the stage is recorded, but the test continues for another 15 seconds •
with no increase in grade or speed.
If heart rate remains above 85%, the test is terminated, and the last stage number is entered.•
If heart rate falls to or below 85%, speed or gradient is increased on the next minute boundary.•
Once the 85% threshold is exceeded or makes it to the 11th minute, the evaluation is ended and the •
fi nal stage is entered
4. 3 minute Cool-down – 0% grade, 3 mph.
5. Take heart rate and record one minute after the end of the test. (Taken as a fi nal reading and to
monitor HR stabilizing).
Test Result:
FT1 – ‘GERKIN PROTOCOL PREDICTED VO2 MAX = XXX’
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