User Manual
Joule 2.0 User Guide page 44
Chapter 13: Definition of Terms
Training Stress Score (TSS) 1. Modeled after Dr. Eric Bannister’s heart rate-based training impulse
(TRIMPS), takes into account both the intensity (i.e., IF) and the duration of each training session.
The following scale can be used as an approximate guide:
• Lessthan150-low(recoverygenerallycompletebyfollowingday)
• 150-300-medium(someresidualfatiguemaybepresentthenextday,butgoneby
2nd day)
• 300-450-high(someresidualfatiguemaybepresentevenafter2days)
• Greaterthan450-veryhigh(residualfatiguelastingseveraldayslikely)
Kilojoule or Kjoule
1. 1000 Joules. 2. A unit of energy equal to the work done by a force of 1000 newtons acting
through a distance of 1 meter. 3. A measure of mechanical energy or the energy released when a
force is applied to an object or body. 4. A common unit used to express the total volume or work
accomplished during a given workout, ride, or exercise bout. 5. A unit or measure used to express
the total training load. 6. The average power output in watts multiplied by the time in seconds
divided by 1000.
Calorie
1. A unit of energy equal to that needed to raise the temperature of 1 gram or ml of water 1 ˚C. 2.
A measure of thermal energy or the energy released when a fuel or substrate is burned.
Kilocalorie or Kcal
1. 1000 calories. 2. A unit of energy equal to that needed to raise the temperature of 1 kilogram or
liter of water 1 ˚C. 3. A measure of the amount of energy in food 4. On U.S. food labels, 1 Calorie,
spelled with a capital “C”, rather than a lower case “c” is equal to 1 Kilocalorie or Kcal. 5. 4.186
Kjoules 6. For a given person, the total energy burned in Kcals is equal to the total Kjoules of work
performed on a bicycle divided by 4.186 divided by the percent fraction (i.e., 22% = 0.22) of that
person’s gross mechanical efficiency. 7. 1 to 1.2 multiplied by the total Kjoules.
Cadence
1. The number of pedal revolutions per minute.