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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...
Muscles of the Leg that Move the Foot and Toes01:28

Muscles of the Leg that Move the Foot and Toes

The human leg comprises an intricate system of muscles that facilitate the movement of feet and toes. Within this system, the muscles are categorized into the anterior, lateral, and posterior compartments, each with a unique set of muscles carrying out specific functions.
Anterior Compartment
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Bones of the Lower Limb: Tibia and Fibula01:10

Bones of the Lower Limb: Tibia and Fibula

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...
Microtubule Instability02:17

Microtubule Instability

Microtubules are hollow cylindrical filaments having a diameter of approximately 25 nm and a length that varies from 200 nm to 25 μm. GTP-bound tubulin subunits form αβ-heterodimers for microtubule assembly. These core building blocks interact longitudinally, polymerizing into protofilaments. The protofilaments then interact with one another through lateral bonding forces to form stable cylindrical microtubules. These cylindrical filaments are dynamic as they undergo repeated assembly and...
Bones of the Lower Limb: Femur and Patella01:16

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The femur is the body's longest and strongest bone spanning the thigh region. Its head articulates with the acetabulum of the hip bone to form the hip joint. A minor indentation on the medial side of the femoral head, called the fovea capitis, serves as the site of attachment for the ligament of the head of the femur. This weak ligament spans the femur and acetabulum and supports the hip joint. The narrowed region below the head is the neck of the femur. The inclination angle between the neck...

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Related Experiment Video

Updated: Jul 6, 2026

A Mouse Model of Ankle-Subtalar Complex Joint Instability
09:14

A Mouse Model of Ankle-Subtalar Complex Joint Instability

Published on: October 28, 2022

Ankle sprains and instability in dancers.

Padhraig F O'Loughlin1, Christopher W Hodgkins, John G Kennedy

  • 1Foot and Ankle Department, Hospital for Special Surgery, 523 East 72nd Street, Suite 514, New York, NY 10021, USA. oloughlinp@hss.edu

Clinics in Sports Medicine
|March 19, 2008
PubMed
Summary

Ankle inversion injuries are common in dancers, impacting ankle stability and the gait cycle. Maintaining the integrity of ankle stabilizers is crucial for dancers to prevent sprains and ensure proper movement.

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Area of Science:

  • Biomechanics
  • Dance Medicine
  • Sports Injury Prevention

Background:

  • Ankle inversion injuries represent the most frequent traumatic injuries among dancers.
  • Ankle stability is fundamental for effective mobilization and reducing the incidence of ankle sprains.
  • The structural integrity of dynamic and static ankle stabilizers is a key element in the normal gait cycle.

Purpose of the Study:

  • To highlight the critical role of ankle stability in dancers.
  • To emphasize the importance of stabilizer integrity for preventing ankle sprains in dance.
  • To underscore the heightened significance of ankle joint function in dance due to extreme movements.

Main Methods:

  • Review of biomechanical principles related to ankle stability.
  • Analysis of the impact of dance movements on ankle joint stress.
  • Examination of the role of dynamic and static stabilizers in injury prevention.

Main Results:

  • Ankle inversion injuries are prevalent in the dance population.
  • Ankle stability is directly linked to the prevention of sprains and efficient gait.
  • The demands of dance place significant stress on the ankle, making stabilizer function paramount.

Conclusions:

  • Preserving the structural integrity of ankle stabilizers is essential for dancers.
  • Enhanced focus on ankle stability can mitigate the risk of inversion injuries in dancers.
  • Understanding the biomechanics of the ankle is vital for optimizing dancer performance and safety.