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The heel-tip test for restricted tarsal motion.

E M Koeweiden1, F M van Empel, J R van Horn

  • 1Department of Orthopedics, Medisch Centrum Alkmaar, The Netherlands.

Acta Orthopaedica Scandinavica
|August 1, 1989
PubMed
Summary

A simple heel-tip test can reveal restricted tarsal motion. Limited tibial rotation during this test suggests talocalcaneal coalition, a condition affecting foot mobility.

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Area of Science:

  • Orthopedics
  • Biomechanics
  • Podiatry

Background:

  • Tarsal mobility is crucial for intrinsic foot function.
  • Talocalcaneal motion is essential for overall tarsal mobility.
  • This motion is linked to tibial rotation in standing individuals.

Purpose of the Study:

  • To introduce a straightforward clinical test for detecting restricted tarsal motion.
  • To establish the correlation between talocalcaneal motion and tibial rotation.
  • To identify limited tibial rotation as an indicator of potential tarsal pathology.

Main Methods:

  • A functional anatomic approach was used to analyze tarsal motion.
  • A novel 'heel-tip test' was developed to assess tibial rotation during foot supination.
  • Measurements of axial tibial rotation were compared between subjects with and without talocalcaneal coalition.

Main Results:

  • The heel-tip test selectively reveals restricted tarsal motion.
  • In feet with talocalcaneal coalition, average axial tibial rotation was significantly limited (8.4 degrees).
  • Control feet exhibited substantially greater average tibial rotation (27 degrees).

Conclusions:

  • Limited tibial rotation during the heel-tip test is a reliable indicator of talocalcaneal coalition.
  • This test provides a simple method for diagnosing restricted tarsal motion.
  • The findings highlight the importance of talocalcaneal motion for normal foot and ankle biomechanics.

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