True Fitness 400 Series manual Understanding the F.I.T. Formula

The F.I.T. Formula

their speed or grade at anytime. The warm-up stage is not predetermined by the amount of time input prior to workout, and the user may take as much time as they wish to approach their target heart rate. The warm-up stage ends when the user’s heart rate is 10 beats below the pre-set target heart rate.

At this point, the user enters the Heart Rate Control stage and the treadmill’s computer takes control of both the speed and grade (hands free).

The treadmill software gradually increases the user’s heart rate to within 10 beats of the target heart rate.

In the situation where workload needs to be increased in order to elevate the heart rate, the speed will be increased first in 1/10 mph increments.

If needed, the speed will continue to increase up to the pre-set maximum. If the user still requires additional workload to raise the heart rate, the grade will be raised in

.5% increments up to the maximum pre-set grade (unless zero grade was entered).

Conversely, whenever the workload needs to be reduced in order to lower the heart rate, the grade will always be reduced first. The grade will be reduced to zero (if required), before speed is reduced.

The F.I.T. Formula

Understanding the F.I.T. Formula

The workout portion of your exercise program consists of three major variables: Frequency, Intensity, and Time.

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