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A new optical technique to monitor joint motion using position sensitive detector
- Authors
- Jung, Gu-In; Park, Byung Kyu; Kim, Ji-Sun; Lee, Tae-Hee; Choi, Ju-Hyeon; Oh, Han-Byeol; Kim, A-Hee; Goh, Bong-Jun; Kim, Ji-Won; Lee, Ki Sung; Jun, Jae-Hoon
- Issue Date
- 2015
- Publisher
- IOS PRESS
- Keywords
- Human joint angle; optical goniometer; position sensitive detector; rehabilitation; range of motion
- Citation
- TECHNOLOGY AND HEALTH CARE, v.23, pp.S473 - S480
- Indexed
- SCIE
SCOPUS
- Journal Title
- TECHNOLOGY AND HEALTH CARE
- Volume
- 23
- Start Page
- S473
- End Page
- S480
- ISSN
- 0928-7329
- Abstract
- BACKGROUND: Evaluation of joint movements is essential to choose an appropriate rehabilitation protocol for a patient. OBJECTIVE: The aim of this study is to suggest an alternative optical technique for measurement of joint angle which is convenient, inexpensive, and can be operated in real time. METHODS: According to the principle of the triangulation method, position sensitive detector (PSD) converts reflected light signals into distance-related voltages. Various parameters were investigated to increase detection range and resolution of joint angle measurements. RESULTS: The accuracy of the suggested optical sensor was verified by comparing with a commercial goniometer and 3D motion capture system. CONCLUSIONS: This method can be applied to monitor recovery progress for the patient in rehabilitation and sport science.
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Collections - College of Medicine > Department of Medical Science > 1. Journal Articles
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