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Updated: Apr 16, 2026

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An object oriented implementation of the Yeadon human inertia model.

Christopher Dembia1, Jason K Moore2, Mont Hubbard3

  • 1Mechanical Engineering, Stanford University, Stanford, CA, 94305, USA.

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|May 7, 2015
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Summary

We developed open-source software to calculate human body inertia parameters using M.R. Yeadon's method. This tool offers multiple interfaces for easy integration into various data processing pipelines.

Keywords:
aerial movementhuman movementopen source softwaresegmental inertia

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Area of Science:

  • Biomechanics
  • Human body modeling
  • Anthropometry

Background:

  • Calculating human body inertia parameters is crucial for biomechanical analysis.
  • Existing methods may lack accessible software implementations.
  • M.R. Yeadon's mathematical method provides a robust approach.

Purpose of the Study:

  • To present an open-source software implementation of M.R. Yeadon's method.
  • To facilitate the calculation of human body and segment inertia parameters.
  • To provide a versatile tool for biomechanical research and applications.

Main Methods:

  • Developed software in a high-level, open-source programming language.
  • Implemented M.R. Yeadon's mathematical model for inertia parameter calculation.
  • Integrated three user interfaces: Python API, command-line, and graphical user interface.

Main Results:

  • A functional open-source software tool for calculating human body inertia parameters.
  • The software accepts simple geometrical measures as input.
  • Flexible integration into diverse data processing workflows is enabled.

Conclusions:

  • The presented software offers an accessible and efficient solution for determining human body inertia.
  • The tool supports various applications in biomechanics, ergonomics, and sports science.
  • Open-source availability promotes wider adoption and further development.