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Tactile Sensitivity of the Sole of the Foot as a Factor of Shoe Comfort

Research Overview

The tactile sensitivity of feet, considered to be one of the factors influencing shoe comfort, was examined in order to develop a system that assess shoe comfort, without actually trying on shoes. The tactile sensitivity of the feet of 84 healthy Japanese adult males and females between the age of 18~39 (males 53, females 31) was measured and the following 4 points were examined by nonparametric tests:

How to Measure Tactile Sensitivity

Tactile sensitivity was quantified by the pressure sensory threshold which was measured using the Semmes-Weinstain monofilament testing method.

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Gender difference: Does foot sensitivity vary between males and females?

The results were as follows:

3D map

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Is the sensitivity of the sole consistent across the same foot?

Although individual differences can be found, with the exception of the arch, the sole of the foot is a relatively unresponsive region when compared to other foot parts.

We studied the relationships of the tactile sensitivity of 3 parts of the sole to find, for example, if a person with a more unresponsive posterior sole also has a less sensitive anterior sole (Speaman's rank correlation coefficient).

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Summary

References

  1. M. Dohi, M. Mochimaru, M. Kouchi : The Distribution of the Tactile Sensitivity of a Foot and the Softness of its Skin, Proceedings of the 32nd Convention Meeting of Kanto Branch of the Japan Ergonomics Society 2002, pp90-91, 2002
  2. M. Dohi, M. Mochimaru, M. Kouchi : The Distribution of the Tactile Sensitivity of a Foot and the Softness of its Skin, Proceedings of SICE SI 2002, Volume 3, pp189-190, 2002
  3. M. Dohi, M. Mochimaru, M. Kouchi : The Tactile Sensitivity and Elasticity of the Sole of the Foot as Factors of Shoe Comfort, Proceeding of IEA2003, 2003
  4. M. Dohi, M. Mochimaru, M. Kouchi : Distribution of Tactile Sensitivity and Elasticity in Japanese Foot Sole, Kansei Engineering International, Vol.5 No.2 pp9-14 2004

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