Comparison of Calcaneal Exposure Through the Extensile Lateral and Sinus Tarsi Approaches

Katherine M. Bedigrew, James A. Blair, Daniel R. Possley, Kevin L. Kirk, Joseph R. Hsu

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


The purpose of this study was to compare the exposure of the posterior facet with the extensile lateral (EL) approach compared with the sinus tarsi (ST) approach. We hypothesized that the ST approach will provide a similar exposure of the posterior calcaneal facet. A total of 8 sequential ST then EL approaches were performed on cadavers. Calcaneal landmarks were identified by visualization or palpation. Calibrated digital photographs of the posterior facet and lateral calcaneal body were obtained from standardized positions and used to calculate the exposed surface area. No significant difference was found in the average square area of the posterior facet exposed with the 2 approaches. Significantly more of the lateral calcaneal body was seen with the EL approach. Excluding the posterior facet superomedial quadrant, all the landmarks were visualized in 100% of approaches. The superomedial corner was visualized in significantly more of the cadavers with the EL approach and was palpable in 12.5% of the remaining cadavers in both approaches. Whereas the ST approach exposes less of the lateral wall of the calcaneus, it exposes similar amounts of the posterior facet when compared with the EL approach. Levels of Evidence: Therapeutic, Level V.

Original languageEnglish (US)
Pages (from-to)142-147
Number of pages6
JournalFoot and Ankle Specialist
Issue number2
StatePublished - Apr 1 2018
Externally publishedYes


  • calcaneus
  • extensile lateral
  • sinus tarsi
  • trauma

ASJC Scopus subject areas

  • Surgery
  • Podiatry
  • Orthopedics and Sports Medicine


Dive into the research topics of 'Comparison of Calcaneal Exposure Through the Extensile Lateral and Sinus Tarsi Approaches'. Together they form a unique fingerprint.

Cite this