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Sensors 2010, 10(10), 9155-9162; doi:10.3390/s101009155
Article

A Method for Direct Measurement of the First-Order Mass Moments of Human Body Segments

1,* , 2, 1, 1 and 3
1 Department of Electronic Engineering, Gunma University, 1-5-1 Tenjin-cho, Kiryu, Gunma, 376-8515, Japan 2 Space Medical Operations, Japan Aerospace Exploration Agency (JAXA) Tsukuba Space Center, Tsukuba, 305-8505, Japan 3 School of Instrument Science and Opto-electronic Engineering, Hefei University of Technology, Hefei, Anhui, 230009, China
* Author to whom correspondence should be addressed.
Received: 7 July 2010 / Revised: 2 September 2010 / Accepted: 28 September 2010 / Published: 12 October 2010
(This article belongs to the Special Issue Sensors in Biomechanics and Biomedicine)
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Abstract

We propose a simple and direct method for measuring the first-order mass moment of a human body segment. With the proposed method, the first-order mass moment of the body segment can be directly measured by using only one precision scale and one digital camera. In the dummy mass experiment, the relative standard uncertainty of a single set of measurements of the first-order mass moment is estimated to be 1.7%. The measured value will be useful as a reference for evaluating the uncertainty of the body segment inertial parameters (BSPs) estimated using an indirect method.
Keywords: body segment inertial parameter; center of mass; biomechanics body segment inertial parameter; center of mass; biomechanics
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Fujii, Y.; Shimada, K.; Maru, K.; Ozawa, J.; Lu, R.-S. A Method for Direct Measurement of the First-Order Mass Moments of Human Body Segments. Sensors 2010, 10, 9155-9162.

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