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Abstract
Objective: Our aim was to develop and validate a user-friendly data logger system (SUDALS) for use with flexible electrogoniometry.
Methods: Data pertaining to flexion/extension of the knee from 10 normal subjects were collected during a range of activities of daily living (ADL) such as walking, ascending and descending stairs, getting in and out of a chair and deep squatting. The accuracy, reliability and reproducibility of the data from SUDALS were verified by comparing against the data simultaneously collected from the Vicon system.
Results: The results of these studies indicate that the SUDALS together with flexible electrogoniometers is able to produce stable, precise, accurate and repeatable knee flexion/extension angles with little variation existing between the data produced by the SUDALS, the Vicon system and that reported in the literature.
Conclusion: The SUDALS together with flexible electrogoniometers is a useful clinical tool, capable of recording knee flexion/extension angles accurately during ADL.
Acknowledgement
I would like to thank the University of Strathclyde for funding my PhD with the Overseas Research Student Award (ORSA) and I would also like to thank Mr John Mcclean (Technician – Bioengineering Unit, University of Strathclyde), who has dedicated his time in assisting us with all technical issues that were present during the development and testing of the system.