True-fitness Z9 Bedienungsanleitung PDF herunterladen (Seite 103)

Interval workouts are popular because they are superior training for

sports activities, which almost always involve highly varying exer

cise intensities. Interval workouts are not optimal for weight loss or

weight control, since steady-state exercise is most efficient for maxi

mal total energy expended for a given effort.

METs: unit of energy expenditure used for exercise prescriptions,

defined as the current energy expenditure rate divided by the basal

metabolic rate (BMR). In the case of METs, BMR is defined as a

VO2 of 3.5, meaning it varies directly with body weight. This is

incorrect, as BMR varies with the

-root of body weight. See T-

MET.

oxygen uptake: also referred to as VO

, the rate of consumption of

oxygen, usually expressed as a rate per unit of body weight, or mil

liliters per kilogram per minute, or ml/kg/min, or ml/kg*min

-1

. This

is the best way to accurately measure energy expenditure during

aerobic exercise.

RJ-45: an 8-conductor locking connector used for the CSAFE sys-

tem, also commonly used for Ethernet cables (where only four wires

are used). The RJ-45 is typically wired using the EIA/TIA-568 twist

ed-pair wiring standard.

rpm: revolutions per minute, the most common unit of measure

of angular motion in the non-scientific world. The International

System (SI) unit that is more useful is radians per second, which is

equal to 0.1047 rpm.

segment, work and rest: same as work and rest interval. See interval

training.

speed, estimated running: applies the measured energy expenditure

to walking and running equations, producing a more friendly or

familiar speed feedback.

Z 8 a n d Z 9 S e r i e s Tr e a d m i l l O w n e r ' s G u i d e

appendIx e - glossarY

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True-fitness Z9 Bedienungsanleitung Seite 103