Assessing knee hyperextension in patients following stroke: A comparison of Siliconcoach movement analysis software and experienced clinical observation

Richardson, Sue, Cooper, A., Alghamdi, G. A., Alghamdi, M. A. and Altowaijri, Abdulrahman 2012. Assessing knee hyperextension in patients following stroke: A comparison of Siliconcoach movement analysis software and experienced clinical observation. International Journal of Therapy and Rehabilitation 19 (3) , pp. 163-168.

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Abstract

Background: Observational gait analysis used by clinicians has been shown to have moderate reliability in relation to joint angles. Siliconcoach movement analysis software uses a digital image to determine joint angles. The aim of this study was to compare Siliconcoach software against experienced clinicians in assessing knee hyperextension in patients following stroke. Method: This was an observational comparison study with a convenient sample of 20 ambulant participants with a unilateral stroke videoed during three walks. To determine knee hyperextension and the reliability of Siliconcoach the recordings were assessed by three raters using Siliconcoach and by three experienced clinicians. Findings: The Kappa statistic for intra-observer agreement for knee hyperextension ranged from 0.8 to 1.0 (substantial to almost perfect) and from 0.6 to 0.9 for inter-observer agreement (moderate to almost perfect). Intra-rater and inter-rater ICC scores for Siliconcoach were all >0.75 suggesting very high reliability. Clinicians compared with Siliconcoach ranged from 0.4 to 0.7(fair to substantial). Conclusion: Observational gait analysis appears to be an adequate measurement tool in clinical practice particularly when undertaken by the same experienced therapist. However, Siliconcoach may be a more reliable measure and provides an objective measure of quantifying knee joint angles for both research and clinical practice.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Healthcare Sciences
Subjects:	R Medicine > RM Therapeutics. Pharmacology
Publisher:	Mark Allen Healthcare
ISSN:	1741-1645
Related URLs:	Publisher
Last Modified:	28 Jun 2019 03:27
URI:	https://orca.cardiff.ac.uk/id/eprint/15308

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