can be adjusted up or down one level depending on the sample person’s (SP’s) heart rate (HR) response
and set criteria. Noted exceptions are Protocol 1 which can only increase to Protocol 2, and Protocol 8
which can only decrease to Protocol 7. Maximal treadmill speed is set to 3.7 mph to ensure SP safety.
The dimensions of the controller are 22.75” x 8.50” x 2.5” (57.79 x 21.59 x 6. 35 cm) and the
weight is 11 lbs. (5 kg).
Figure 2-4. Quinton MedTrack ST Programmable Controller