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Related Concept Videos

Structural Joints: Fibrous Joints01:03

Structural Joints: Fibrous Joints

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Fibrous joints are a type of joint where the bones are connected by fibrous connective tissue. These joints provide stability and minimal to no movement between the articulating bones. There are three types of fibrous joints.
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All the bones of the skull, except for the mandible, are joined to each other by a fibrous joint called a suture. The fibrous connective tissue found at a suture strongly unites the adjacent skull bones and thus helps to protect the brain and form the face. In...
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Structural Joints: Synovial Joints01:16

Structural Joints: Synovial Joints

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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...
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Structural Joints: Cartilaginous Joints01:17

Structural Joints: Cartilaginous Joints

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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.
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Ankle Joint01:10

Ankle Joint

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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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Functional Classification of Joints01:09

Functional Classification of Joints

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Functional Classification of Joints
The functional classification of joints is determined by the amount of mobility between the adjacent bones. Joints are functionally classified as a synarthrosis or immobile joint, an amphiarthrosis or slightly moveable joint, or as a diarthrosis, a freely moveable joint. Fibrous and cartilaginous joints can be functionally classified as either synarthroses  or amphiarthroses, whereas all synovial joints are classified as diarthroses.
Synarthrosis
An...
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Knee Joint01:23

Knee Joint

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The knee joint is the most complicated joint in the body. It consists of three articulations– two tibiofemoral and one patellofemoral. As is characteristic of synovial joints, the knee joint has a thin articular capsule that partially surrounds this joint cavity. Additionally, several ligaments, muscles, and cartilaginous structures support the movement of the knee.
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Related Experiment Video

Updated: Aug 22, 2025

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

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Acute Syndesmosis Injuries.

Matthew D Doyle1, Chandler J Ligas1, Nishit S Vora2

  • 1Silicon Valley Reconstructive Foot and Ankle Fellowship, Palo Alto Medical Foundation, 701 East El Camino Real, Mountain View, CA 94040, USA.

Clinics in Podiatric Medicine and Surgery
|November 11, 2022
PubMed
Summary
This summary is machine-generated.

Ankle syndesmosis injuries impact athletes, requiring accurate diagnosis for effective treatment. Proper evaluation and management, including surgical intervention for instability, are key for athletes to return to sport.

Keywords:
AthleteHigh ankle sprainSyndesmosis

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Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Anatomy

Background:

  • Ankle syndesmosis injuries encompass isolated ligamentous ruptures and fractures with associated ligament damage.
  • These injuries pose significant challenges for athletes, often leading to extended recovery periods and delayed return to athletic activities.
  • Accurate diagnosis and timely management are crucial for successful treatment outcomes and facilitating an athlete's return to play.

Purpose of the Study:

  • To emphasize the importance of adequate evaluation and diagnosis in managing ankle syndesmosis injuries.
  • To outline the indications for operative versus nonoperative treatment.
  • To highlight the role of anatomic reduction and fixation in enabling functional rehabilitation and return to sport.

Main Methods:

  • Review of current literature on ankle syndesmosis injuries.
  • Analysis of diagnostic criteria and treatment algorithms.
  • Evaluation of surgical techniques and outcomes for unstable injuries.

Main Results:

  • Ankle syndesmosis injuries require precise evaluation for appropriate treatment.
  • Nonoperative management is suitable for some cases, while operative treatment is necessary for fractures with syndesmosis disruption and unstable ligamentous injuries.
  • Anatomic reduction and fixation are essential for achieving functional recovery and enabling athletes to return to their sport.

Conclusions:

  • Effective management of ankle syndesmosis injuries hinges on accurate diagnosis and tailored treatment strategies.
  • Surgical intervention for unstable injuries ensures proper alignment and stability, promoting optimal healing.
  • Prompt and appropriate care facilitates a successful return to sport for affected athletes.