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
Mass
lean body weight
(or fat-free mass)
FFM
FFM/WT
lb (kg)
% weight
regression
calculated
high value
high value
male
female
calculation
fat body weight
(or fat mass)
FM
FM/WT
lb (kg)
% weight
calculated
calculated
low value
low value
male
female
calculation
body mass index
BMI
kg/m
2
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
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