Effect of static foot alignment on plantar-pressure measures during running

Sae Yong Lee, Jay Hertel

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


Context: Altered foot dynamics due to malalignment of the foot may change plantar-pressure properties, resulting in various kinds of overuse injuries. Objective: To assess the effect of foot characteristics on plantarpressure-related measures such as maximum pressure, maximum pressure-time, and pressure-time integral underneath the medial aspect of the foot during running. Design: Cross-sectional. Setting: Laboratory. Participants: 8 men and 17 women. Main Outcome Measures: Static non-weight-bearing rear-foot and forefoot alignment and navicular drop were measured. Plantar-pressure data were collected while subjects jogged at 2.6 m/s on a treadmill. Maximum pressure, time to maximum pressure, and pressure-time integral of the medial side of the foot were extracted for data analysis. Multiple-regression analysis was used to examine the effect of arch height and rear-foot and forefoot alignment on maximum pressure and pressure-time integral in the medial side of the foot. Results: In the medial rear-foot and midfoot regions, only rear-foot alignment had a significant effect on the variance of maximum pressure and pressure-time integral. There were no significant difference effects in the medial forefoot region. Conclusion: Rear-foot alignment was found to be a significant predictor of maximum plantar pressure and pressure-time integral in the medial rear-foot and midfoot regions. This indicates that control of rear-foot alignment may help decrease plantar pressure on the medial region of the foot, which may potentially prevent injuries associated with excessive rear-foot eversion.

Original languageEnglish
Pages (from-to)137-143
Number of pages7
JournalJournal of Sport Rehabilitation
Issue number2
Publication statusPublished - 2012 May

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation
  • Rehabilitation


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