Sagittal movement of the medial longitudinal arch is unchanged in plantar fasciitis

Scott C. Wearing, James E. Smeathers, Bede Yates, Patrick M. Sullivan, Stephen R. Urry, Philip Dubois

Research output: Contribution to journalArticle

Abstract

Although a lowered medial longitudinal arch has been cited as a causal factor in plantar fasciitis, there is little experimental evidence linking arch motion to the pathogenesis of the condition. This study investigated the sagittal movement of the arch in subjects with and without plantar fasciitis during gait. Digital fluoroscopy was used to acquire dynamic lateral radiographs from 10 subjects with unilateral plantar fasciitis and 10 matched control subjects. The arch angle and the first metatarsophalangeal joint angle were digitized and their respective maxima recorded. Sagittal movement of the arch was defined as the angular change between heel strike and the maximum arch angle observed during the stance phase of gait. The thickness of the proximal plantar fascia was determined from sagittal sonograms of both feet. ANOVA models were used to identify differences between limbs with respect to each dependent variable. Relationships between arch movement and fascial thickness were investigated using correlations.

Original languageEnglish
JournalMedicine and Science in Sports and Exercise
Publication statusPublished - 1 May 2001

Keywords

  • gait analysis
  • plantar fasciitis
  • longitudinal arch

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