Hindfoot Protractor

The hindfoot protractor, or Pedi Protractor, is a small, simple and intuitive tool, designed to measure the alignment of the child’s hindfoot. It consists of a polygonal plexiglas which embodies a protractor scale, a needle and a base that keeps it upright. The tool is placed adjacent to the hindfoot, with the subject to be examined, remaining still. The needle is moved parallel to the hindfoot axis and the value of the valgus or the varus, is immediately shown in degrees.

 

Due to variances in age and weight distribution (e.g.: on a single foot or both) of the child, determining the limits of normality cannot be expressed in absolute terms. However, regarding valgus, it is possible to pay closer attention with a span of more than 10°. As for varus, any degree should be considered with care. In uncertain cases it is not so much the absolute value, as the course of time that will lead towards a physiological situation or not. For this purpose, the tool is particularly useful for its easy use.

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