measurments and calculations
summary of parameters


Impedance

Symbol

Units

Derivation

Healthiest

Normal Values

 
resistance R ohms measured low value male  female calculation
reactance X ohms measured high value male  female calculation
impedance Z ohms calculated low value male  female calculation
phase angle α degrees calculated high value male  female calculation
capacitance C picofarads calculated high value male  female calculation
Mass
fat-free mass FFM
FFM/WT
lb (kg)
% weight
regression
calculated
high value
high value
male  female calculation
body cell mass BCM
BCM/WT
lb (kg)
% weight
regression
calculated
high value
high value
male  female calculation
extracellular mass ECM
ECM/WT
lb (kg)
% weight
calculated
calculated
low value
low value
male  female calculation
fat mass FM
FM/WT
lb (kg)
% weight
calculated
calculated
low value
low value
male  female calculation
ECM/BCM ratio ECM/BCM   calculated low value male  female calculation
body mass index BMI kg/m2 calculated low value male  female calculation
basal metabolic rate BMR calories per day calculated high value male  female calculation
Water
total body water TBW
TBW/FFM
TBW/WT
liters
% FFM
% weight
regression
calculated
calculated
intermediate
intermediate
intermediate
male  female calculation
intracellular water ICW
ICW/TBW
liters
% TBW
regression
calculated
high value
high value
male  female calculation
extracellular water ECW
ECW/TBW
liters
% TBW
calculated
calculated
low value
low value
male  female calculation
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