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Related Concept Videos

Ankle Joint01:10

Ankle Joint

The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...

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Related Experiment Video

Updated: Jul 7, 2026

Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach
09:01

Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach

Published on: January 24, 2018

Ankle replacement versus arthrodesis: a comparative gait analysis study.

Philippe Piriou1, Paul Culpan, Mark Mullins

  • 1Service de Chirurgie Orthopédique et Traumatologique Hôpital Raymond-Poincaré, Paris, France.

Foot & Ankle International
|February 16, 2008
PubMed
Summary
This summary is machine-generated.

Ankle replacement offers improved gait symmetry and movement compared to ankle fusion, though gait speed is slower. Further research is needed to confirm long-term benefits for ankle arthritis treatment.

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Area of Science:

  • Orthopedic surgery
  • Biomechanics
  • Gait analysis

Background:

  • Ankle replacement is gaining popularity for ankle arthritis over fusion.
  • Potential benefits include restored movement, improved gait, and protection of adjacent joints.

Purpose of the Study:

  • To compare gait analysis outcomes between ankle arthroplasty and ankle arthrodesis.
  • To evaluate the functional differences in patients with ankle arthritis treated with replacement versus fusion.

Main Methods:

  • Gait analysis was conducted pre- and post-surgery on 12 ankle replacement patients.
  • Compared outcomes with 12 ankle arthrodesis patients and 12 healthy controls.

Main Results:

  • Neither procedure fully restored normal movement or walking speed.
  • Ankle arthrodesis led to faster gait and longer step length but greater gait timing asymmetry.
  • Ankle replacement demonstrated increased ankle movement, symmetrical gait timing, and normalized ground reaction forces.

Conclusions:

  • Ankle replacement improves gait timing, potentially reducing limp, despite slower speeds.
  • Long-term studies are required to assess the persistence of improved movement and joint protection.