Original Research

Ankle size measurements with the foot in a free haning position: Reliability of the Figure-of-Eight Tape Method

Guy van Herp, Talal Al Shatti
South African Journal of Physiotherapy | Vol 54, No 1 | a598 | DOI: https://doi.org/10.4102/sajp.v54i1.598 | © 2018 Guy van Herp, Talal Al Shatti | This work is licensed under CC Attribution 4.0
Submitted: 18 September 2018 | Published: 28 February 1998

About the author(s)

Guy van Herp, Queen Margaret College, Physiotherapy Department, Edinburgh, United Kingdom
Talal Al Shatti, Kuwait Oil Company, Kuwait

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Ankle swelling is a commonly encountered condition in physiotherapy practice. Reliable and easy methods of quantification are required to record progress in treatment. The aim of this study was to establish the inter- and intra-reliability of the figure-of-eight tape measure for measuring ankle size. Thirty-six healthy subjects were measured in long-sitting position with the foot hanging free over the edge of a plinth. Three testers performed four measurements each for a total of 12 measurements per subject. The intra-class correlation coefficient was 0.96 for inter-tester reliability and 0.94 for intra-tester reliability. The results agree with previous reliability studies using the figure-of-eight tape method on healthy subjects. The figure-of-eight tape method is easily learned and applied. It is a reliable method for measuring ankle size. Further research is needed to demonstrate the reliability and validity of the technique in a clinical setting.


reliability; positioning; ankle size measurements


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