Validation of different bioimpedance analyzers for predicting cell mass against whole-body counting of potassium ((super 40)K) as a reference method

Article Abstract:

A study was done to compare two different tetrapolar bioimpedance (BIA) devices for estimating body cell mass (BCM), to validate them against whole-body counting of ((super 40)K) (TBK method) and to develop improved prediction equations for estimating BCM from BIA. High-precision methods are essential to estimate BCM on an individual level and the application of two different BIA devices to the same group of normal young to middle-aged adult subjects was established in this study.

United States, Body composition

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Age-related decline in body cell mass in elderly men and women, determined by a noninvasive nuclear technique: effects of physical activity and dietary potassium intake

Article Abstract:

This article examines the relationship between physical activity, potassium intake, and the loss of actively metabolizing cells in an elderly sample. Findings indicate that body cell mass is significantly correlated with physical activity levels in both men and women but is not associated with dietary potassium intake.

Germany, Aging, Statistical Data Included, Physiological aspects, Exercise, Exercise physiology, Cells, Sex differences, Cell aging, Potassium in the body, Potassium (Nutrient)

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Comparison of bipolar and tetrapolar impedance techniques for assessing fat mass

Article Abstract:

Different bioimpedance (BIA) techniques measuring the whole body, lower body or upper body can be used to predict the whole body fat mass (BF). The whole body impedance method is preferred over the other methods due to the interactions with sex and age.

Adipose tissues, Adipose tissue

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