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Related Concept Videos

Ankle Joint01:10

Ankle Joint

1.7K
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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Bones of the Lower Limb: Tibia and Fibula01:10

Bones of the Lower Limb: Tibia and Fibula

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The tibia is the main weight-bearing bone of the lower leg. It is larger than the fibula with which it is paired. The tibia is also the second longest bone in the body and is located right below the skin. The proximal end of the tibia forms the medial and the lateral condyle, which articulates with the condyles of the femur to form the knee joint. Between the articulating surfaces is the irregular elevated area known as the intercondylar eminence that serves as the inferior attachment point for...
4.0K

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Related Experiment Video

Updated: Jul 31, 2025

A Mouse Model of Ankle-Subtalar Complex Joint Instability
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Multidirectional Chronic Ankle Instability: What Is It?

Cesar de Cesar Netto1, Victor Valderrabano2, Nacime Salomão Barbachan Mansur3

  • 1University of Iowa, Carver College of Medicine, 200 Hawkins Drive, John PappaJohn Pavillion (JPP), Room 01066, Lower Level, Iowa City, IA 52242, USA; Duke University Medical Center, USA.

Foot and Ankle Clinics
|May 3, 2023
PubMed
Summary
This summary is machine-generated.

Ankle sprains are often underestimated, leading to chronic ankle instability. Associated injuries can cause poor outcomes, highlighting the need to understand multidirectional instability.

Keywords:
AnkleCombinedInstabilityLateralMultidirectionalRotationalSprainSyndesmosis

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Area of Science:

  • Orthopedics
  • Sports Medicine
  • Biomechanics

Background:

  • Ankle sprains are frequently underestimated injuries.
  • While some lateral ligament lesions heal with minor symptoms, many patients experience persistent issues.
  • Associated injuries like medial or syndesmotic instability are potential causes for poor outcomes.

Purpose of the Study:

  • To review the current literature on multidirectional chronic ankle instability.
  • To emphasize the clinical significance of multidirectional chronic ankle instability.

Main Methods:

  • Literature review of existing studies on ankle sprains and chronic ankle instability.
  • Analysis of proposed mechanisms and associated injuries contributing to multidirectional instability.

Main Results:

  • Ankle sprains have varied outcomes, with a significant portion developing chronic instability.
  • Multidirectional chronic ankle instability may result from combined injuries, not just lateral ligament damage.
  • The mechanisms leading to joint instability after sprains remain incompletely understood.

Conclusions:

  • Chronic ankle instability is a complex condition often resulting from underestimated ankle sprains.
  • Associated injuries play a crucial role in the development of multidirectional chronic ankle instability.
  • Further research into the mechanisms of ankle instability is warranted to improve patient outcomes.