The relationship between static lower extremity measurements and rearfoot motion during walking

Thomas G. McPoil, Mark W. Cornwall

Research output: Contribution to journalArticlepeer-review

105 Scopus citations


Despite the fact that clinicians regularly perform static lower extremity measurements on their patients, to date, little research has been published supporting their ability to predict dynamic rearfoot motion. The abilities of static measurements to predict dynamic foot motion could have important implications considering the fact that excessive rearfoot motion has been associated with various injuries of the lower extremity. The purpose of this study, therefore, was to determine if static lower extremity measurements could be used to predict the magnitude of rearfoot motion during walking. Rearfoot motion of each lower extremity was measured from videotape in 27 healthy young adult subjects with a mean age of 26.1 years. In addition, 17 static measurements were measured and recorded bilaterally for each subject. The results of a multiple regression analysis indicated that the only variable that was able to predict maximum rearfoot pronation was the 'difference in navicular height' (r2 = .17). None of the 17 measurements were found to predict time to maximum pronation. These results indicate that static measurements of the lower extremity and foot are poor predictors of dynamic rearfoot motion as measured by maximum pronation or time to maximum pronation in healthy individuals without severe foot deformities.

Original languageEnglish (US)
Pages (from-to)309-314
Number of pages6
JournalJournal of Orthopaedic and Sports Physical Therapy
Issue number5
StatePublished - Nov 1996


  • foot
  • lower extremity
  • physical examination
  • rearfoot motion

ASJC Scopus subject areas

  • Physical Therapy, Sports Therapy and Rehabilitation


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