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Related Concept Videos

Functional Classification of Joints01:09

Functional Classification of Joints

5.2K
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...
5.2K
Knee Joint01:23

Knee Joint

2.4K
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.
A total of seven ligaments support the knee joint. The patellar ligament, which is also attached to the quadriceps femoris...
2.4K
Ankle Joint01:10

Ankle Joint

2.0K
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...
2.0K
Development of the Limb Synovial Joints01:07

Development of the Limb Synovial Joints

1.7K
Joints form during embryonic development in conjunction with the formation and growth of the associated bones. The embryonic tissue that gives rise to all bones, cartilage, and connective tissues of the body is called mesenchyme.
The mesenchymal stem cells differentiate into chondrocytes that form the hyaline cartilage, and later the cartilaginous model of the bone. This model further transforms into a bone. This process is known as endochondral ossification.
During development, the limbs...
1.7K

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Related Experiment Video

Updated: Oct 1, 2025

In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy
07:43

In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy

Published on: July 2, 2021

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Dual Mobility in Total Hip Arthroplasty.

Andrew J Clair, Daniel B Buchalter, David N Kugelman

    Bulletin of the Hospital for Joint Disease (2013)
    |March 2, 2022
    PubMed
    Summary

    Dual mobility implants in total hip arthroplasty enhance range of motion and reduce dislocation risk. While rare complications exist, these designs offer a valuable option for high-risk patients.

    Area of Science:

    • Orthopedic surgery
    • Biomedical engineering
    • Arthroplasty design

    Background:

    • Dual mobility designs in total arthroplasty aim to increase range of motion and prevent dislocation.
    • These designs present a unique set of potential complications, including intraprosthetic dislocation, corrosion, and femoral notching.

    Purpose of the Study:

    • To evaluate the efficacy and safety of dual mobility articulations in total hip arthroplasty.
    • To assess the risk of dislocation versus the incidence of specific complications associated with dual mobility implants.

    Main Methods:

    • Review of early and contemporary reports on dual mobility in total hip arthroplasty.
    • Analysis of complication profiles and revision rates associated with dual mobility designs.

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    The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
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    The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve

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    Last Updated: Oct 1, 2025

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    Individualized Stem-positioning in Calcar-guided Short-stem Total Hip Arthroplasty
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    The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
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    Main Results:

    • Dual mobility articulations demonstrate a reduced risk of dislocation in total hip arthroplasty.
    • Complications such as intraprosthetic dislocation, corrosion, and femoral notching are relatively rare.
    • Current evidence suggests acceptable rates of complication and early revision when using dual mobility implants.

    Conclusions:

    • Dual mobility designs are a valuable option for patients at higher risk of hip dislocation.
    • Further cost analyses and long-term follow-up studies are needed for newer dual mobility designs.