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Extrinsic rearfoot posts.

R L Blake1, H Ferguson

  • 1Center for Sports Medicine, Saint Francis Memorial Hospital, San Francisco, CA 94109.

Journal of the American Podiatric Medical Association
|April 1, 1992
PubMed
Summary
This summary is machine-generated.

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Extrinsic rearfoot posts enhance orthotic devices by allowing practitioners to control heel position and frontal plane motion. Nine prescription variables offer specific functional modifications for improved shock absorption and calcaneal stability.

Area of Science:

  • Podiatric biomechanics and orthotic device design.

Background:

  • Orthotic devices are crucial for managing foot and ankle biomechanical issues.
  • Modifying orthotic function is essential for addressing specific patient needs.

Observation:

  • Extrinsic rearfoot posts are additions to orthotic devices that alter their function.
  • These posts influence heel position at initial contact and frontal plane motion of the calcaneus.
  • Rearfoot posts also play a role in shock absorption during gait.

Findings:

  • The study introduces nine distinct prescription variables for rearfoot posts.
  • Each variable enables a specific functional modification to the orthotic device.
  • These modifications allow for tailored control over heel inversion, calcaneal motion resistance, and shock absorption.

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Implications:

  • Podiatric practitioners can precisely customize orthotic devices using these variables.
  • This customization can lead to improved treatment outcomes for various biomechanical conditions.
  • The findings offer a structured approach to enhancing the therapeutic efficacy of orthotic interventions.