A simple method of measuring the pressure beneath the footsole was described using ‘Prescale’, pressure detecting sheets. These are two sheets, one coated with microcapsules which contain a color-producing agent, and the other coated with a color-developing agent. As the applied pressure determines the amount of microcapsules that rupture, the coloring sheet reveals its density corresponding to the pressure applied. At the application of this method, normal subjects were studied quantitatively on distribution of the pressure beneath the footsole. The results were compared with the structure of the foot as revealed by X-ray examination in order to study the correlation between the two. The clinical benefits and indication of this method were discussed.
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