TITLE

The Reliability and Validity of a Three-Camera Foot Image System for Obtaining Foot Anthropometrics

AUTHOR(S)
O'Meara, Damien; Vanwanseele, Benedicte; Hunt, Adrienne; Smith, Richard
PUB. DATE
August 2010
SOURCE
Journal of Applied Biomechanics;Aug2010, Vol. 26 Issue 3, p349
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The purpose was to develop a foot image capture and measurement system with web cameras (the 3-FIS) to provide reliable and valid foot anthropometric measures with efficiency comparable to that of the conventional method of using a handheld anthropometer. Eleven foot measures were obtained from 10 subjects using both methods. Reliability of each method was determined over 3 consecutive days using the intraclass correlation coefficient and root mean square error (RMSE). Reliability was excellent for both the 3-FIS and the handheld anthropometer for the same 10 variables, and good for the fifth metatarsophalangeal joint height. The RMSE values over 3 days ranged from 0.9 to 2.2 mm for the handheld anthropometer, and from 0.8 to 3.6 mm for the 3-FIS. The RMSE values between the 3-FIS and the handheld anthropometer were between 2.3 and 7.4 mm. The 3-FIS required less time to collect and obtain the final variables than the handheld anthropometer. The 3-FIS provided accurate and reproducible results for each of the foot variables and in less time than the conventional approach of a handheld anthropometer.
ACCESSION #
53567473

 

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