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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...
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...
Structural Classification of Joints01:20

Structural Classification of Joints

Joints, also known as articulations, are classified based on their structural characteristics, i.e., based on whether the articulating surfaces of the adjacent bones are directly connected by fibrous connective tissue or cartilage, or whether the articulating surfaces contact each other within a fluid-filled joint cavity. These differences serve to divide the joints of the body into three structural classifications.
A fibrous joint is where the adjacent bones are united by fibrous connective...
Structural Joints: Synovial Joints01:16

Structural Joints: Synovial Joints

Synovial joints are the most common type of joint in the body. A key structural characteristic for a synovial joint is the presence of a joint cavity. This fluid-filled space is where the articulating surfaces of the bones contact each other. Also, unlike fibrous or cartilaginous joints, the articulating bone surfaces at a synovial joint are not directly connected to each other with fibrous connective tissue or cartilage. This gives the bones of a synovial joint the ability to move smoothly...
Joints01:26

Joints

Joints, also called articulations or articular surfaces, are points at which ligaments or other tissues connect adjacent bones. Joints permit movement and stability, and can be classified based on their structure or function.
Structural joint classifications are based on the material that makes up the joint as well as whether or not the joint contains a space between the bones. Joints are structurally classified as fibrous, cartilaginous, or synovial.
Fibrous Joints Are Immovable
The bones of a...
Structural Joints: Cartilaginous Joints01:17

Structural Joints: Cartilaginous Joints

As the name indicates, at a cartilaginous joint, the adjacent bones are united by cartilage, a tough but flexible type of connective tissue. Unlike synovial joints, these types of joints lack a joint cavity and involve bones joined together by either hyaline cartilage or fibrocartilage.
There are two types of cartilaginous joints:
Synchondrosis
A synchondrosis ("joined by cartilage") is a cartilaginous joint where bones are connected by hyaline cartilage. Synchondrosis may be temporary or...

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Related Experiment Video

Updated: Jun 12, 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

Tarsal coalitions.

Htwe Zaw1, James D F Calder

  • 1Department of Trauma and Orthopaedic Surgery, Basingstoke and North Hampshire Hospitals NHS Foundation Trust, Aldermaston Road, Basingstoke RG24 9NA, UK. htwe@hotmail.com

Foot and Ankle Clinics
|June 11, 2010
PubMed
Summary
This summary is machine-generated.

Tarsal coalition, an abnormal union of foot bones, causes flat feet and joint degeneration. Early diagnosis and treatment are key for managing this condition.

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A Mouse Model of Ankle-Subtalar Complex Joint Instability
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A Mouse Model of Ankle-Subtalar Complex Joint Instability

Published on: October 28, 2022

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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

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

Area of Science:

  • Orthopedics
  • Podiatry
  • Skeletal Biology

Background:

  • Tarsal coalition involves abnormal bone fusion in the foot, leading to biomechanical issues.
  • This condition often presents as a rigid, noncorrectable flat foot during adolescence.
  • It can cause premature arthritis in adjacent foot joints.

Purpose of the Study:

  • To review the current evidence on the etiology of tarsal coalition.
  • To outline diagnostic methods for identifying tarsal coalition.
  • To summarize contemporary management strategies for tarsal coalition.

Main Methods:

  • Systematic review of peer-reviewed literature.
  • Analysis of studies on tarsal coalition causes, diagnosis, and treatment.
  • Evidence-based synthesis of clinical findings.

Main Results:

  • Tarsal coalition can be osseous, cartilaginous, or fibrous, affecting hindfoot and midfoot joints.
  • Symptoms typically manifest in adolescence, presenting as flat feet and pain.
  • Delayed diagnosis can lead to progressive joint damage.

Conclusions:

  • Accurate diagnosis of tarsal coalition is crucial for effective management.
  • Treatment aims to alleviate pain and prevent further joint degeneration.
  • Understanding the pathophysiology guides clinical decision-making.