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FAT BURN (91TI ONLY)
The FAT BURN workout is designed to maintain a user’s heart rate at 65 percent of the theoretical
maximum
†
for optimal results. Throughout the workout, the user wears a chest strap or grasps the
Lifepulse system sensors (91Ti only). If the user is not wearing a grasping the Lifepulse system sen-
sors or wearing the Polar heart rate chest strap, the WORKOUT PROFILE WINDOW displays a
heart shape, and the MESSAGE CENTER displays a prompt to grasp the sensors. The console
continuously monitors and displays the heart rate, adjusting the intensity level of the treadmill to
reach and maintain the target*. This system eliminates over- and under-training, and it maximizes
the aerobic benefits of exercise by using the body's fat stores for fuel.
CARDIO (91TI ONLY)
The CARDIO workout is virtually identical to FAT BURN; however the target heart rate is calcu-
lated at 80 percent of the theoretical maximum. The higher target promotes cardiovascular
improvement by placing a heavier workload on the heart muscle.
NOTE: Change the target heart rate for a FAT BURN or CARDIO workout at any time by using
the SELECT ARROW keys.
†
Defined by the American College of Sports Medicine's "Guidelines for Exercise Testing and Prescription" as equal to
220 minus an individual’s age.
* Target Heart Rate (THR) is a percentage of the theoretical maximum. For example, a 40-year-old user's THR for the FAT
BURN workout is 117. This workout targets 65 percent of the maximum, so the equation would be (220-40)*.65=117.