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Related Concept Videos

Bones of the Lower Limb: Femur and Patella01:16

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Bones have various surface features that help form joints and attach to other soft tissues. Depending on the function, bone markings are categorized into articulating projections, processes for attachment, depressions, and openings.
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External Anatomy of the Kidney01:21

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The kidneys are a pair of bean-shaped organs in the human body that play a critical role in maintaining overall health. They filter out waste products from the blood, regulate blood pressure, maintain electrolyte balance, and stimulate the production of red blood cells.
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Knee Joint01:23

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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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Bones of the Upper Limb: Radius01:09

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The radius is longer of the two bones that make up the human antebrachium or forearm. At the proximal end, the radius articulates with the capitulum of the humerus and the radial notch of the ulna to form the elbow joint. At the distal end, the radius articulates with the ulna via the ulnar notch, forming the distal radioulnar joint. Distally, the radius also attaches to the carpal wrist bones (scaphoid and lunate) to form the radiocarpal joint.
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Ankle Joint01:10

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Related Experiment Video

Updated: May 14, 2025

In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy
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Acetabular Rim Variants.

Richard F Nauert1, Robert B Browning1, Bryce N Clinger1

  • 1Department of Orthopaedic Surgery, University of Virginia Health System, Charlottesville, Virginia, USA.

Video Journal of Sports Medicine
|May 12, 2025
PubMed
Summary
This summary is machine-generated.

Acetabular rim ossification variants are common in femoroacetabular impingement (FAI). Accurate diagnosis and management lead to improved patient outcomes, comparable to FAI treatment alone.

Keywords:
FAIacetabular rim fracturehip arthroscopylabral calcificationos acetabuli

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Area of Science:

  • Orthopedic Surgery
  • Radiology
  • Sports Medicine

Background:

  • Acetabular rim ossification variants, including labral calcifications, os acetabuli, and labral ossification, occur in 17% of patients.
  • These variants are associated with femoroacetabular impingement (FAI) and can arise from various causes like unfused ossification centers or microtrauma.
  • Surgical options range from debridement and repair to reconstruction, depending on the specific variant and its severity.

Purpose of the Study:

  • To review the incidence, causes, and management strategies for acetabular rim ossification variants in patients with FAI.
  • To highlight the importance of accurate diagnosis and tailored treatment approaches for optimal patient outcomes.
  • To compare the effectiveness of surgical interventions for these variants with standard FAI treatment.

Main Methods:

  • Review of literature on acetabular rim ossification variants, including labral calcifications, os acetabuli, and labral ossification.
  • Description of surgical techniques such as labral debridement, excision, fixation (suture-on-screw, anchor-staple), acetabuloplasty, labral repair, and reconstruction.
  • Analysis of existing studies reporting outcomes of surgical interventions for these conditions.

Main Results:

  • Excision of os acetabuli with labral repair showed superior results compared to FAI alone in one study.
  • Patients with labral ossification experienced lower preoperative patient-reported outcomes (PROs) but similar postoperative improvement compared to those without.
  • Hip arthroscopy effectively treated symptomatic FAI with labral calcifications at 2-year follow-up.

Conclusions:

  • Acetabular rim ossification variants are frequently observed in FAI patients and require precise diagnosis and management.
  • Appropriate treatment strategies result in patient outcome improvements comparable to those undergoing treatment for FAI alone.
  • Timely and accurate intervention is crucial for managing these complex hip conditions.