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Related Experiment Videos

The subtalar joint axis locator: a preliminary report.

Simon K Spooner1, Kevin A Kirby

  • 1Peninsula Podiatry, 1a , Edgcumbe Park Road, Plymouth, England.

Journal of the American Podiatric Medical Association
|May 19, 2006
PubMed
Summary

A new subtalar joint axis locator accurately tracks talar neck position during weightbearing foot movements. This device shows promise for reliably locating the subtalar joint axis in three dimensions.

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Journal of biomechanics·2008

Area of Science:

  • Orthopedics
  • Biomechanics
  • Medical Device Development

Background:

  • The subtalar joint's axis is crucial for understanding foot and ankle biomechanics.
  • Accurate tracking of the subtalar joint axis during dynamic movements is challenging.

Purpose of the Study:

  • To introduce and evaluate a novel clinical device, the subtalar joint axis locator.
  • To assess the device's ability to track the three-dimensional location of the subtalar joint axis during weightbearing foot motion.

Main Methods:

  • Developed a subtalar joint axis locator device.
  • Utilized radiographs with the device in place to approximate tracking of the talar neck.
  • Conducted preliminary studies on two adults and a series of subjects to assess dynamic capabilities.

Main Results:

  • The subtalar joint axis locator accurately tracked talar neck position during weightbearing rotational motions in adults.
  • The device demonstrated dynamic tracking capabilities in a series of subjects.

Conclusions:

  • The subtalar joint axis locator shows potential for reliably tracking the spatial location of the subtalar joint axis.
  • This device may offer a valuable tool for clinical assessment of foot and ankle biomechanics.

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