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Related Concept Videos

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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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During the postoperative period, it is crucial to focus on maintaining circulation, identifying and managing potential complications, and planning for discharge.Nursing AssessmentVital signs monitoring: Regularly monitor vital signs, including blood pressure, heart rate, respiratory rate, and temperature, to detect early signs of complications such as bleeding and infection.Circulation assessment: Monitor pulses, perform Doppler assessments, and check capillary refill, color, temperature, and...
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Related Experiment Video

Updated: Nov 16, 2025

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Midfoot Function Before and After Total Ankle Arthroplasty.

Frank E DiLiberto1, Steven L Haddad2, Steven A Miller3

  • 1Physical Therapy Movement Analysis Laboratory, Department of Physical Therapy, College of Health Professions, Rosalind Franklin University of Medicine & Science, North Chicago, IL, USA.

Foot & Ankle International
|February 26, 2021
PubMed
Summary
This summary is machine-generated.

Total ankle arthroplasty (TAA) did not alter midfoot function 6 months post-surgery. Postoperative TAA patients showed reduced midfoot motion and power compared to healthy controls, indicating persistent deficits.

Keywords:
ankle arthritismultisegment foot modeltotal ankle arthroplasty

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Area of Science:

  • Orthopedic surgery
  • Biomechanics
  • Foot and ankle research

Background:

  • Limited data exists on how total ankle arthroplasty (TAA) impacts midfoot function.
  • Understanding midfoot mechanics after TAA is crucial for patient outcomes.

Purpose of the Study:

  • To analyze midfoot motion and power during walking before and after TAA.
  • To compare midfoot function in TAA patients to healthy individuals.

Main Methods:

  • Prospective cohort study of 19 TAA patients and 19 controls.
  • Utilized motion capture and force plates to assess first metatarsal and forefoot motion.
  • Evaluated midfoot power generation and performed statistical comparisons.

Main Results:

  • No significant changes in midfoot function were observed in TAA patients from pre-operation to 6 months post-operation.
  • Equivalence testing confirmed stability in midfoot function over time for TAA patients.
  • TAA patients exhibited reduced first metatarsal/forefoot motion and power generation compared to controls.

Conclusions:

  • TAA does not appear to modify existing midfoot deficits within 6 months.
  • Persistent differences in midfoot function suggest TAA primarily addresses ankle pathology, not midfoot mechanics.