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Knee Joint

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...

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Related Experiment Video

Updated: Oct 20, 2025

Destabilization of the Medial Meniscus and Cartilage Scratch Murine Model of Accelerated Osteoarthritis

Destabilization of the Medial Meniscus and Cartilage Scratch Murine Model of Accelerated Osteoarthritis

Published on: July 6, 2022

Knee Cartilage Imaging.

Karen Y Cheng¹, Alecio F Lombardi², Eric Y Chang²

¹Department of Radiology, UC San Diego Health, 200 W. Arbor Drive MC 8226, San Diego, CA 92103, USA.

Clinics in Sports Medicine

|September 12, 2021

Summary

This summary is machine-generated.

Magnetic Resonance Imaging (MRI) accurately evaluates knee pain from articular cartilage damage. Understanding cartilage structure helps predict tissue failure and MRI findings for early intervention.

Keywords:

Cartilage Compositional imaging Histologic structure Knee MRI

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Area of Science:

Orthopedics
Radiology
Biomedical Engineering

Background:

Articular cartilage injuries and degeneration are frequent causes of knee pain.
Magnetic Resonance Imaging (MRI) offers a noninvasive method for evaluating knee pain.

Purpose of the Study:

To review the structure of articular cartilage and its histologic appearance.
To correlate cartilage structure with patterns of tissue failure and MRI findings.
To highlight MRI's role in early detection of at-risk cartilage.

Main Methods:

Histologic examination of articular cartilage structure.
Correlation of structural integrity with MRI signal characteristics.
Review of MRI capabilities in identifying cartilage abnormalities.

Main Results:

Cartilage structure dictates patterns of tissue failure and MR appearance.
MRI can detect signal changes indicating intrinsic structural abnormalities.
These abnormalities predict risk for further injury or degeneration.

Conclusions:

Understanding cartilage histology is key to interpreting MRI findings.
MRI enables early identification of at-risk cartilage, facilitating timely intervention.
This approach can mitigate pain and morbidity associated with knee conditions.