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Related Concept Videos

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...
9.1K
Structural Classification of Joints01:20

Structural Classification of Joints

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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...
8.8K
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  11. A Mechanistic Classification For Superior Labral Injuries Guides Operative Management

A Mechanistic Classification for Superior Labral Injuries Guides Operative Management

Eoghan T Hurley1, Dean C Taylor1,

  • 1Department of Orthopedic Surgery, Duke University School of Medicine, Durham, North Carolina.

Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association
|June 11, 2025

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Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device
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Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device

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View abstract on PubMed

Summary
This summary is machine-generated.

This study introduces an ABCD classification for superior labral injuries, categorizing them by acute trauma, instability, chronic overuse, or degeneration. Understanding the cause is key for effective treatment, guiding both non-operative and operative management strategies.

Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Anatomy

Background:

  • Superior labral injuries are common in the shoulder.
  • Existing classifications may not fully capture etiology and associated pathology.
  • Accurate classification is crucial for guiding treatment decisions.

Purpose of the Study:

  • To propose a clinically-oriented ABCD classification system for superior labral injuries.
  • To base the classification on etiology, pathoanatomy, and biceps-labrum complex injuries.
  • To aid in selecting appropriate treatment strategies, particularly surgical interventions.

Main Methods:

  • Development of the ABCD classification system: A (acute trauma), B (Bankart extension/instability), C (chronic overuse), D (degenerative).
  • Analysis of injury mechanisms including compressive, axial, and torsional loading.
Keywords:
ArthroscopyEtiologyShoulderinstability

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Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device
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  • Consideration of associated injuries like rotator cuff tears and fractures.

    • Main Results:

    • The ABCD classification provides a framework for understanding the cause of superior labral injuries.
    • It differentiates between traumatic, instability-related, overuse, and degenerative etiologies.
    • The classification guides the choice between non-operative and operative management.

    Conclusions:

    • The proposed ABCD classification system offers a structured approach to superior labral injuries.
    • It emphasizes the importance of etiology in treatment planning.
    • The system aids in tailoring surgical principles, including biceps tendon management, to specific injury types.
    labral injury
    mechanism of injury
    review
    superior labrum