bioelectrical impedance


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bioelectrical impedance

Abbreviation: BIA
Resistance to electrical current as it travels through body fluids and tissues. Its measurement is used in body composition analysis to determine total water, lean mass, and other body components. The results may vary with ambient temperature and humidity, the subject's hydration, and other variables. See: body composition; body fat; fluid, body; lean body mass
See also: impedance

bioelectrical impedance (bīˈ·ō·ē·lekˑ·trik im·pēˈ·dns),

n measurement of tissue conductivity by applying an electric current to the body.

bioelectrical impedance (bīōe-lek´trikəl impē´dəns),

n a method of measuring total body fat that uses electrical current and is based on the premise that lean body mass is a better conductor of electricity than fat. See also body mass index calculation.
References in periodicals archive ?
Clinical characteristics influencing bioelectrical impedance analysis measurements.
In research, techniques include underwater weighing (densitometry), multi-frequency bioelectrical impedance analysis (BIA) and magnetic resonance imaging (MRI).
Pearson product moment correlation coefficients were calculated to investigate the relationship of the percent body fat scores obtained to skinfold thickness, body circumference measurements and bioelectrical impedance analysis.
Estimation of body fat in athletes: skinfolds vs bioelectrical impedance.
509 Bodyfat percentage (%) Bioelectrical impedance method (c) 315 35.
The day before the start of the race and after every stage, within one hour after arrival at the finish line, every participant underwent anthropometric measurements, bioelectrical impedance analysis (BIA), and the collection of urinary samples in order to determine body mass (BM), skeletal muscle mass (SM), percent body fat (% BF), lean body mass (LBM), and percent total body water (% TBW).
2], New York Heart Association (NYHA) class I-II, normal body hydration as assessed by the bioelectrical impedance vector analysis (11), and normal cardiac troponin I (<0.
Segmental bioelectrical impedance analysis: Theory and application of a new technique.
You can measure your body fat using a bioelectrical impedance scale (available at Wal-Mart or Target), skin fold measurements with a caliper or a trip to a healthcare center that offers the Bod Pod, an egg-shaped chamber that uses air-displacement technology.
Evidence statement Level of evidence Subjective Global Assessment (SGA) is a valid method IV (7) of assessing nutritional status in patients with cancer cachexia The scored Patient-Generated Subjective Global III-3 (7,8) Assessment (PG-SGA) is a valid method of assessing nutritional status in patients with cancer cachexia Bioelectrical impedance analysis is not suitable for III-3 (9,10) body composition measurement in individual patients with cancer cachexia