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Related Experiment Videos

Calcaneocuboid stability: a clinical and anatomic study.

R H Leland1, J V Marymont, S G Trevino

  • 1Department of Orthopaedic Surgery, Baylor College of Medicine, Houston, TX 77030, USA.

Foot & Ankle International
|November 28, 2001
PubMed
Summary

Injuries to the calcaneocuboid joint are uncommon. This study established normal laxity ranges for this joint, crucial for diagnosing and treating instability.

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Area of Science:

  • Orthopedics
  • Biomechanics
  • Anatomy

Background:

  • Midtarsal joint injuries, including calcaneocuboid joint issues, are infrequent and often missed.
  • Acute and chronic instability of the calcaneocuboid joint can result from these injuries.
  • There is a lack of established data on normal calcaneocuboid joint laxity.

Purpose of the Study:

  • To determine normal ranges of calcaneocuboid joint laxity.
  • To quantify the contribution of specific ligaments to calcaneocuboid joint stability.
  • To provide a baseline for identifying pathological calcaneocuboid instability.

Main Methods:

  • Utilized a previously described stress radiography technique on human cadaveric specimens.
  • Performed serial sectioning of the ligamentous supports of the calcaneocuboid joint.

Related Experiment Videos

  • Measured changes in calcaneocuboid gap and angle under stressed and unstressed conditions.

    • Main Results:

    • Significant differences in calcaneocuboid gap and angle were observed between unstressed and stressed states.
    • Cadaveric testing demonstrated that both dorsal and plantar calcaneocuboid ligaments significantly contribute to joint stability.
    • Normal ranges for calcaneocuboid joint laxity were established.

    Conclusions:

    • Defining normal calcaneocuboid joint stability and ligamentous contributions is essential for diagnosing and treating calcaneocuboid instability.
    • This research provides a foundation for identifying abnormal laxity patterns.
    • Understanding normal biomechanics aids in improved clinical assessment and management of calcaneocuboid injuries.