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Sensors 2011, 11(1), 638-660; doi:10.3390/s110100638
Review

Sensing Movement: Microsensors for Body Motion Measurement

 and *
Received: 15 November 2010; in revised form: 16 December 2010 / Accepted: 5 January 2011 / Published: 10 January 2011
(This article belongs to the Special Issue Sensors in Biomechanics and Biomedicine)
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Abstract: Recognition of body posture and motion is an important physiological function that can keep the body in balance. Man-made motion sensors have also been widely applied for a broad array of biomedical applications including diagnosis of balance disorders and evaluation of energy expenditure. This paper reviews the state-of-the-art sensing components utilized for body motion measurement. The anatomy and working principles of a natural body motion sensor, the human vestibular system, are first described. Various man-made inertial sensors are then elaborated based on their distinctive sensing mechanisms. In particular, both the conventional solid-state motion sensors and the emerging non solid-state motion sensors are depicted. With their lower cost and increased intelligence, man-made motion sensors are expected to play an increasingly important role in biomedical systems for basic research as well as clinical diagnostics.
Keywords: motion sensors; human vestibular system; accelerometer; gyroscope; liquid-state motion sensor; artificial hair cell motion sensor; thermal convection accelerometer motion sensors; human vestibular system; accelerometer; gyroscope; liquid-state motion sensor; artificial hair cell motion sensor; thermal convection accelerometer
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

Zeng, H.; Zhao, Y. Sensing Movement: Microsensors for Body Motion Measurement. Sensors 2011, 11, 638-660.

AMA Style

Zeng H, Zhao Y. Sensing Movement: Microsensors for Body Motion Measurement. Sensors. 2011; 11(1):638-660.

Chicago/Turabian Style

Zeng, Hansong; Zhao, Yi. 2011. "Sensing Movement: Microsensors for Body Motion Measurement." Sensors 11, no. 1: 638-660.


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