Changes in the calcaneal pitch during stance phase of gait. A fluoroscopic analysis

PR PerlmanQueensland University of Technology, Australia.

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V SiskindQueensland University of Technology, Australia.

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A JorgensenQueensland University of Technology, Australia.

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S WearingQueensland University of Technology, Australia.

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S SquiresQueensland University of Technology, Australia.

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Calcaneal pitch has been considered to be an indirect measure of subtalar joint function. The aim of this pilot study was to assess changes in the calcaneal pitch angle during dynamic gait. Sixty female subjects underwent videofluoroscopy to obtain 27 usable gait cycle data. A single-frame, shuttle-advance video recorder was used to identify midstance of the gait cycle. The calcaneal pitch angle was measured during three midstance periods. The study confirms findings from video and forceplate analysis and reintroduces videofluoroscopy as a gait research tool.