Measurement of dorsal mobility in the first ray: Elimination of fat pad compression as a variable

Ward Mylo Glasoe, Mary Kay Allen, H. John Yack

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

Previous designs for a device to measure first ray mobility have included compression of the first metatarsal fat pad as part of the measurement of displacement or have failed to standardize the force applied to the head of the first metatarsal. In this investigation, assessment of vertical mobility of the first ray of both feet in 14 volunteers was determined using a device that applied dorsiflexing force to the first metatarsal. First ray displacement was measured initially from the plantar surface and then from the dorsal aspect of the head of the first metatarsal. The difference between plantar- and dorsal-surface-measured vertical displacement was highly significant. This study suggests that mobility of the first ray measured from the dorsal aspect of the first metatarsal head eliminated compression of the plantar fat pad from being interpreted as part of the measurement of displacement.

Original languageEnglish (US)
Pages (from-to)542-546
Number of pages5
JournalFoot and Ankle International
Volume19
Issue number8
DOIs
StatePublished - Aug 1998

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