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Related Experiment Videos

Foot landmarking for footwear customization.

Ameersing Luximon1, Ravindra S Goonetilleke, Kwok L Tsui

  • 1Department of Industrial Engineering and Engineering Management, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong.

Ergonomics
|March 15, 2003
PubMed
Summary

Developing better footwear starts with understanding foot shape. This study identified eight key landmarks to accurately model the 2D foot outline, improving footwear fit and reducing discomfort.

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Area of Science:

  • Biomechanics
  • Ergonomics
  • Footwear Design

Background:

  • Consumer demand for selective footwear is increasing.
  • Footwear comfort is linked to shoe shape mimicking natural foot posture.
  • Accurate foot and last (shoe form) matching is crucial for effective footwear development.

Purpose of the Study:

  • To develop a metric for quantifying foot and last mismatches.
  • To generate a two-dimensional (2D) foot outline using a minimal set of landmarks.
  • To improve the accuracy of footwear fitting models.

Main Methods:

  • Recruited 50 Hong Kong Chinese participants.
  • Collected anthropometric data including weight, height, foot length, and width.
  • Digitally captured 2D left foot outlines and marked 18 landmarks.

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  • Employed a stepwise procedure to reduce landmarks to eight critical points.
  • Calculated mean absolute errors for 'tightness' and overall fit.

    • Main Results:

    • Reduced 18 landmarks to eight critical points for 2D foot outline modeling.
    • Achieved a mean absolute negative error (tightness indicator) of 1.3 mm.
    • Reported average positive and negative errors of 1.8 mm and 1.3 mm, respectively.
    • Found mean errors of 1.7 mm (toe region) and 1.6 mm (rest of foot).

    Conclusions:

    • Eight critical landmarks effectively model the 2D foot outline.
    • This approach offers improved accuracy over existing methods for foot modeling.
    • Accurate foot outline modeling using minimal landmarks enhances footwear functionality and fit.