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Design of Digital Inclinometer for Measuring Postural Balance  

Myoung, Hyoun-Seok (Dept. of Biomedical Engineering, Yonsei Univ.)
Lee, Hyo-Ki (Dept. of Biomedical Engineering, Yonsei Univ.)
Kwon, Oh-Yun (Dept. of physical Therapy, Yonsei Univ.)
Lee, Kyoung-Joung (Dept. of Biomedical Engineering, Yonsei Univ.)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SC / v.45, no.1, 2008 , pp. 50-56 More about this Journal
Abstract
In this paper, a digital inclinometer to measure the angle and acceleration signals of subject laid on Roll was designed. The designed system consists of a tilt sensor, biaxial accelerometer, single chip microprocessor and Bluetooth module. The designed digital inclinometer was easy to handle and to wear. To evaluate the performance of the system, we measured simultaneously the angle and acceleration signals from the 3 subjects on the Roll using two instruments which are ZEBRIS and designed system. The measured signals were processed by statistical method and then the correlation coefficient of 0.93 was shown. From the results, the designed digital inclinometer is shown to be useful in assessment of body movement.
Keywords
Inclinometer; Acceleration; Postural Balance; Roll;
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