Validating Segmental Body Composition

The ALM and FFM both were assessed in a semi-fasted state by the Tanita MC-780MA (2015, Tanita Corporation, Japan). This Tanita MC-780MA is an 8 electrode multi-frequency (5 kHz/50 kHz/250 kHz) segmental body composition analyzer that predicts ALM and FFM from resistance and reactance (23 (link)). Some research is available on the validity of the device in healthy subjects and patients (34 (link), 35 (link)). Impedance measurement includes whole body and limb segments, working with a constant current source (∼90 A) with a high frequency (50 kHz). Anthropometry data concerning the subject (age, gender, and height) were entered by the accessor in the GMon Health Monitor software. By mounting the BIA scale, body weight was measured, and by holding the two handles with arms separated from the trunk, body composition analysis was performed in 1 min. All BIA measurements followed standard operating procedures. ALM-index (ALMi) and FFM-index (FFMi), our secondary parameters besides FFM, were calculated by dividing ALM and FFM by height in meters squared.

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van den Helder J., Verreijen A.M., van Dronkelaar C., Memelink R.G., Engberink M.F., Engelbert R.H., Weijs P.J, & Tieland M. (2022). Bio-Electrical Impedance Analysis: A Valid Assessment Tool for Diagnosis of Low Appendicular Lean Mass in Older Adults?. Frontiers in Nutrition, 9, 874980.

Publication 2022

Tanita MC-780MA

Arms Body Body composition Body weight Device Gender Healthy subjects Patients

Corresponding Organization :

Other organizations : Vrije Universiteit Amsterdam, Amsterdam University Medical Centers, Amsterdam University of Applied Sciences, University of Amsterdam

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Variable analysis

independent variables

None explicitly mentioned

dependent variables

Appendicular lean mass (ALM)
Fat-free mass (FFM)
Appendicular lean mass index (ALMi)
Fat-free mass index (FFMi)

control variables

Semi-fasted state
Tanita MC-780MA device (8 electrode multi-frequency segmental body composition analyzer)
Impedance measurement includes whole body and limb segments
Constant current source (∼90 A) with a high frequency (50 kHz)
Anthropometry data (age, gender, height) entered by the accessor
Body weight measured by mounting the BIA scale
Body composition analysis performed by holding the two handles with arms separated from the trunk
All BIA measurements followed standard operating procedures

positive controls

None explicitly mentioned

negative controls

None explicitly mentioned

Annotations

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