Title: A non-exoskeleton optoelectric wrist goniometer
Abstract: Highly repetitive wrist motion and extreme wrist posture can result in carpal tunnel syndrome. To study the association between wrist motion and posture and carpal tunnel syndrome, a hand/wrist goniometer is indispensable. This paper describes the development of an optoelectric goniometer. The goniometer utilized a fluid-based absolute angle sensor to transduce wrist posture into electrical signals. A geometric relationship and 6 nonlinear equations were used to calculate relative wrist angles. The result was an easy-to-use and non-exoskeleton hand/wrist goniometer which measures radial-ulnar deviation and flexion-extension of the wrist. Validation results showed that the average error of the absolute angle transducer was 4.5% of the full scale output (180°). Correlation between the output from the sensor and the standard motion was 0.977. Repeatability tests showed that the variation was 6.02% of the input value. The resolution of the sensor was 0.036°.
Publication Year: 1993
Publication Date: 1993-06-01
Language: en
Type: article
Indexed In: ['crossref']
Access and Citation
Cited By Count: 3
AI Researcher Chatbot
Get quick answers to your questions about the article from our AI researcher chatbot