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Related Experiment Video

Updated: Mar 14, 2026

Author Spotlight: Advancements in 3D Optical Imaging for Comprehensive Body Composition Assessment in Modern Research
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Validation of Body Volume Acquisition by Using Elliptical Zone Method.

C-Y Chiu1, D L Pease2, S Fawkner3

  • 1Institute for Sport, Physical Education & Health Sciences, The University of Edinburgh, Edinburgh, United Kingdom of Great Britain and Northern Ireland.

International Journal of Sports Medicine
|September 28, 2016
PubMed
Summary

The elliptical zone method (E-Zone) offers a reliable and affordable way to measure total body volume and segmental distribution. While accurate for larger body parts, it shows limitations for smaller segments like hands and feet.

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Area of Science:

  • Anthropometry
  • Biomechanical analysis
  • Body composition assessment

Background:

  • Accurate body volume data is crucial for various fields, including sports science and clinical assessments.
  • Traditional methods for body volume measurement can be expensive or lack portability.
  • The Elliptical Zone method (E-Zone) presents a potentially accessible alternative for obtaining body volume data.

Purpose of the Study:

  • To evaluate the accuracy of the Elliptical Zone (E-Zone) method for determining total and segmental body volume.
  • To compare E-Zone derived body volume data against a high-precision 3D photonic scanning method (3DPS).

Main Methods:

  • Seventeen male participants with diverse somatotypes were recruited for the study.
  • Each participant underwent two E-Zone analyses and two 3D photonic scans on the same day.
  • 3D photonic scanning data served as the reference standard for accuracy assessment.

Main Results:

  • The E-Zone method demonstrated a relative technical error of measurement (TEM) of approximately 3% for total body volume.
  • Accurate estimations (relative TEM <10%) were achieved for segmental volumes of the upper and lower torso, thigh, shank, upper arm, and lower arm.
  • The accuracy for smaller segments, including the neck, hand, and foot, was found to be poor.

Conclusions:

  • The E-Zone method is a reliable, inexpensive, and portable tool for estimating total body volume.
  • It provides reasonable estimates of segmental volume distribution, particularly for larger body segments.
  • Limitations exist in the accuracy of E-Zone for small anatomical segments.