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Related Concept Videos

Functional Classification of Joints01:09

Functional Classification of Joints

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 immobile...
Knee Joint01:23

Knee Joint

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 group...
Urinary Tract Calculi VI: Surgical Management01:25

Urinary Tract Calculi VI: Surgical Management

Procedures for Kidney StonesMedical intervention is necessary when kidney stones or renal calculi are too large to pass spontaneously (typically greater than 5 millimeters) when stones are accompanied by symptomatic infection (such as fever or pyelonephritis), when they impair kidney function, or when they cause persistent symptoms like severe pain, nausea, or urinary retention. Additionally, patients with only one kidney or those who cannot be treated with medical management also require...

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Related Experiment Video

Updated: Jun 5, 2026

The Use of Mixed Reality in Custom-Made Revision Hip Arthroplasty: A First Case Report
07:45

The Use of Mixed Reality in Custom-Made Revision Hip Arthroplasty: A First Case Report

Published on: August 4, 2022

Do we need gender-specific total joint arthroplasty?

Aaron J Johnson1, Christopher R Costa, Michael A Mont

  • 1Center for Joint Preservation and Replacement, Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, 2401 West Belvedere Avenue, Baltimore, MD 21215, USA.

Clinical Orthopaedics and Related Research
|January 26, 2011
PubMed
Summary
This summary is machine-generated.

Gender-specific implants for knee and hip replacements show no clinical benefit over unisex designs. Anatomical differences exist, but current total hip arthroplasty (THA) and total knee arthroplasty (TKA) designs accommodate them effectively.

Related Experiment Videos

Last Updated: Jun 5, 2026

The Use of Mixed Reality in Custom-Made Revision Hip Arthroplasty: A First Case Report
07:45

The Use of Mixed Reality in Custom-Made Revision Hip Arthroplasty: A First Case Report

Published on: August 4, 2022

Area of Science:

  • Orthopedic Surgery
  • Biomedical Engineering
  • Anatomy

Background:

  • Documented gender-specific anatomical variations in the knee and hip.
  • Ongoing debate on the necessity and design implications of gender-specific orthopedic implants.

Purpose of the Study:

  • To investigate anatomical and morphological differences between male and female knees and hips.
  • To evaluate the clinical outcomes, survivorship, and fit of gender-specific total knee arthroplasty (TKA) designs in women.
  • To determine how anatomical hip differences have been addressed in total hip arthroplasty (THA) designs.

Main Methods:

  • Systematic review of MEDLINE database for studies on gender-specific knee and hip implants.
  • Analysis of basic science and clinical outcome data from 253 selected studies.

Main Results:

  • Anatomical studies confirm significant differences in knee and hip structures between genders.
  • No reported improvement in clinical function or satisfaction scores for gender-specific TKA compared to unisex TKA.
  • Current total hip arthroplasty modularity appears sufficient to address anatomical variations.

Conclusions:

  • Available literature indicates no difference in outcomes between gender-specific and unisex knee arthroplasty.
  • Gender-specific THA designs are unlikely to offer advantages over existing implant systems.