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BioMed Research International
Volume 2017, Article ID 2708712, 9 pages
Research Article

Reliability of the Footscan® Platform System in Healthy Subjects: A Comparison of without Top-Layer and with Top-Layer Protocols

1Department of Orthopedics, Xijing Hospital, Fourth Military Medical University, Xi’an 710032, China
2Department of Orthopedics, No. 463 Hospital of Chinese PLA, Shenyang 110042, China
3Department of Health Statistics, Faculty of Preventive Medicine, Fourth Military Medical University, Xi’an 710032, China

Correspondence should be addressed to Ya-Bo Yan; moc.liamtoh@hopmiymaig and Wei Lei; nc.ude.ummf@iewiel

Received 13 April 2017; Accepted 8 August 2017; Published 11 September 2017

Academic Editor: Gianluca Coppola

Copyright © 2017 Chao Xu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The Footscan platform is a useful tool for plantar pressure measurement. However, there is still controversy over whether or not the platform should be covered by top-layer during the test. This study was designed to compare the reliability of the Footscan platform and identify the differences of the foot loading parameters between without top-layer (WOT) and with top-layer (WT) protocols. Measurements were taken from thirty-two healthy subjects. Participants were tested with a Footscan platform using the WOT and WT protocols. Three trials were performed during two separate testing sessions with a 7-day interval. Peak pressure, contact time, contact area, and pressure-time integral at ten foot zones were recorded and calculated for intra- and intersession reliability using intraclass correlation coefficients (ICCs) and coefficients of variation (CVs). The reliability and values of the analyzed parameters for the two protocols were compared. Both protocols produced a moderate to good level of intra- and intersession reliability. Compared with the WT protocol, the WOT protocol showed higher ICCs, lower CVs, and higher values in most of the parameters analyzed. The results suggest that the WOT protocol showed better reliability than the WT protocol. We recommend not using the top-layer when performing the plantar pressure test.