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Structural Joints: Synovial Joints

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...

Structural Joints: Fibrous Joints

Structural Joints: Fibrous Joints

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.
Suture
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...

Structural Joints: Cartilaginous Joints

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...

Joints

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...

Introduction to Joints

Introduction to Joints

The adult human body usually has 206 bones, and except for the hyoid bone in the neck, each bone is connected to at least one other bone. Joints are the location where bones come together. Many joints allow for movement between the bones. At these joints, the articulating surfaces of the adjacent bones can move smoothly against each other. However, the bones of other joints may be joined by connective tissue or cartilage. These joints are designed for stability and provide little or no...

Ankle Joint

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...

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Updated: Jan 24, 2026

Theoretical Calculation and Experimental Verification for Dislocation Reduction in Germanium Epitaxial Layers with Semicylindrical Voids on Silicon

Theoretical Calculation and Experimental Verification for Dislocation Reduction in Germanium Epitaxial Layers with Semicylindrical Voids on Silicon

Published on: July 17, 2020

Dislocación de la articulación acromioclavicular

L Eckl¹, B Scheiderer¹, S Siebenlist¹

¹Klinik und Poliklinik für Orthopädie und Sportorthopädie, Sektion Sportorthopädie, TUM Klinikum, Rechts der Isar, Ismaninger Str. 22, 81675, München, Deutschland.

Orthopadie (Heidelberg, Germany)

|January 23, 2026

Resumen

Las luxaciones de la articulación acromioclavicular (ACJ) son lesiones comunes del hombro. El tratamiento varía según la gravedad, y las técnicas artroscópicas mínimamente invasivas ganan importancia para los casos quirúrgicos.

Palabras clave:

Cirugía artroscópica Inestabilidad articular Clasificación de Rockwood Lesiones del hombro Traumatismo

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Área de la Ciencia:

Cirugía Ortopédica; Medicina Deportiva; Traumatología

Sus antecedentes:

Las luxaciones de la articulación acromioclavicular (ACJ) son lesiones frecuentes del hombro, especialmente en personas jóvenes y activas.; Generalmente causadas por traumatismos directos o caídas sobre un brazo extendido.; El sistema de clasificación de Rockwood categoriza la gravedad de la lesión.

Objetivo del estudio:

Revisar el diagnóstico y manejo de las luxaciones de la ACJ.; Destacar las tendencias actuales en intervenciones quirúrgicas.; Discutir las estrategias de tratamiento para inestabilidades crónicas.

Principales métodos:

Examen clínico y evaluación radiográfica (vistas panorámica y axilar) para el diagnóstico.; Revisión de protocolos de tratamiento basados en la clasificación de Rockwood.; Discusión de opciones de manejo conservador versus quirúrgico.

Principales resultados:

Los tipos I-II de luxación de la ACJ se manejan generalmente de forma conservadora.; Los tipos IV-VI de luxación de la ACJ suelen requerir intervención quirúrgica.; El manejo de los tipos III y V sigue siendo objeto de debate.

Conclusiones:

Las técnicas mínimamente invasivas y artroscópicas se utilizan cada vez más para las luxaciones de la ACJ.; Las inestabilidades crónicas de la ACJ requieren aumento biológico junto con estabilización sintética.; El diagnóstico preciso y el tratamiento adaptado son cruciales para obtener resultados óptimos.