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Technical Paper

Assessment of 3D Surface Anthropometry Methods for Mass Customized Shoes

2005-06-14
2005-01-2724
The aim of this paper is to assess the accuracy and the repeatability of measures made by means of a stereophotogrammetric equipment and processed by a special software developed within the EUROShoE project (Growth Programme, European Commission), with the purpose to collect three-dimensional data from the surface of the foot. A prosthetic foot was marked with black stickers (5 mm diameter) corresponding to 10 anatomical landmarks, and repeated acquisitions of its surface were performed within a day and through days. Measures of the distance between pairs of markers were made manually on the artificial foot and estimated through the acquired surface data. The mean accuracy computed on 14 distances was 1.1 mm (SD = 1.2). The intra and inter day variability was assessed by considering repeated measures of conventional shoe making variables (e.g. stick length, ball girth, instep girth,…) produced by using dedicated software.
Technical Paper

A Methodological Approach for the Analysis of the Car Driver's Posture

1999-05-18
1999-01-1927
In this work a methodological approach for the analysis of the car driver's posture and of the seat performance and functionality is presented. It has been designed to integrate the information from the measurement of the driver's posture and anthropometry with the seat characteristics as described by shape and pressure map. The experimental protocol was applied on eight subjects. The data analysis allows for the definition of some new interesting parameters. An important result is the estimation of the relationship between pressure and interpenetration that represents a predictive model for pressure distribution from the anthropometrical data of the anatomical surface of the back. This should be confirmed by a wider analysis and it could lead to new instruments for the evaluation of seat prototypes.
Journal Article

Characterization of Foot Morphology through 3D Optical Measures

2008-06-17
2008-01-1880
The aims of this work were: the definition of an experimental protocol for foot shape anthropometry characterization through advanced 3D scanning technologies; the assessment of the effects of load and position on foot morphology; the creation of a consistent database of both anatomical and standard shoemaking measures. 3D foot shapes from 89 subjects were captured by using a stereophotogrammetric scanning system. A set of dedicated measures were extracted from each individual foot in 5 different conditions in terms of lower limbs position and load. Results gave some interesting indications concerning foot morphology and suggested that position and load do not seem to deeply affect foot measures.
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