XT685ENT OWNER’S MANUAL

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XT685 Treadmill

Strength

Resistance: This program has a gradual progression of speed up to 100% of maximum effort that is

sustained for 25% of workout duration. This will help build strength and muscular endurance in the

lower body and gluts. A brief cool down follows.

Incline: There is a quick climb to a moderate, sustained elevation that lasts the majority of the workout

length.

Interval

Resistance: This program takes you through high levels of intensity followed by recovery periods of

low intensity. This program utilizes and develops your “Fast Twitch” muscle bers which are used when

performing tasks that are intense and short in duration. These deplete your oxygen level and spike your

heart rate, followed by periods of recovery and heart rate drop to replenish oxygen. Your cardiovascular

system gets programmed to use oxygen more efciently.

Incline: This program will spike similar to the speed prole, but in different segments (columns); this

means that all of your lower extremity muscles will be equally challenged throughout this program. The

incline alternates between 25 & 65 % of maximum elevation

SPEED INCLINE

Calories

Resistance: This program follows a quick progression up to the maximum speed level (default or

user input level) that is sustained for 2/3 of the workout. This program will challenge your ability to

sustain your energy output for an extended period of time.

Incline: The treadmill elevation is a quick and sustained progression up to the maximum value (default or

user input) for 90% of the workout duration.

SPEED INCLINE

Fusion (Speed/Incline prole graphs are the same as the Interval Program above)

Resistance: This program takes you through high levels of cardio & strength intensity followed by

recovery periods of low intensity. This program utilizes and develops your “Fast Twitch” muscle

bers which are used when performing tasks that are intense and short in duration. These deplete your

oxygen level and spike your heart rate, followed by periods of recovery and heart rate drop to replenish

oxygen. Your cardiovascular system gets programmed to use oxygen more efciently.

Incline: This program will spike similar to the speed prole, but in different segments (columns); this

means that all of your lower extremity muscles will be equally challenged throughout this program.

The incline alternates between 25 & 65 % of maximum elevation

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Spirit XT685ENT Treadmill