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- Title
A new optical technique to monitor joint motion using position sensitive detector.
- Authors
Gu-In Jung; Byung Kyu Park; Ji-Sun Kim; Tae-Hee Lee; Ju-Hyeon Choi; Han-Byeol Oh; A.-Hee Kim; Bong-Jun Goh; Ji-Won Kim; Ki Sung Lee; Jae-Hoon Jun; 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
- Abstract
<bold>Background: </bold>Evaluation of joint movements is essential to choose an appropriate rehabilitation protocol for a patient.<bold>Objective: </bold>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.<bold>Methods: </bold>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.<bold>Results: </bold>The accuracy of the suggested optical sensor was verified by comparing with a commercial goniometer and 3D motion capture system.<bold>Conclusions: </bold>This method can be applied to monitor recovery progress for the patient in rehabilitation and sport science.
- Subjects
GONIOMETRY (Anatomy); OPTICAL sensors; MOTION capture (Human mechanics); MEDICAL rehabilitation; MEDICAL protocols; SPORTS sciences; RANGE of motion of joints; KINEMATICS; NONIONIZING radiation; PHYSICAL therapy; SIGNAL processing; BODY movement
- Publication
Technology & Health Care, 2015, Vol 23, pS473
- ISSN
0928-7329
- Publication type
journal article
- DOI
10.3233/THC-150984