Appendix E - Glossary

speed, simulated ground: applies the measured energy expendi- ture to an outdoor bike equation, producing a speed feedback more applicable to an elliptical or exercise bike rider.

T-MET:a replacement for METs that properly takes body weight into account. A T-MET = watts / kg2/3, where watts is power applied to an external machine by the exerciser, and kg is the exerciser’s body weight in kilograms. True’s marketing name for the T-MET concept is Personal Power.

VO2: see oxygen uptake.

VO2max: maximal oxygen uptake, the single best way to measure aerobic capacity (see).

watts: the International System unit of power measurement, defined as Joules per second. One watt is roughly equal to 4.2 calories per hour. Watts are commonly used to report workload on exercise bikes, less so on ellipticals, and virtually never on treadmills.

workload: the amount of power being demanded of an exerciser, manifesting itself in the exerciser as exercise intensity. Common workloads are treadmill running belt speed, bike torque and pedal rpm, or stairclimber vertical climbing speed.

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True Fitness Z5 Series manual VO2 see oxygen uptake