The meniscus is the shock absorber of the knee.

It is crescentic in shape, with a wider outer rim and a flattened inner rim. At the far ends are the two 'horns'.

fingers explaining shape of lateral meniscus knee joint showing the meniscus knee meniscus showing the menisco-capsular junction
The lateral (outer) meniscus is more 'O-shaped' than the medial meniscus, which is more 'C-shaped'. The two menisci (plural) act as shock absorbers between the two long bones of femur and tibia. Detail to show the intimate relationship of the meniscus to the capsule.
Synonyms: 
Knee cartilage
Knee cartilages
Semi-lunar cartilage
Semi-lunar cartilages
Meniscal cartilage
Meniscal cartilages
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How the surgeon decides on management.

How the meniscus is injured

Understanding the mechanism of injury of the knee-cartilage.

Meniscus from top

Another view of the 'knee cartilages'.

Meniscus from side

Overview of the anatomy of the 'knee cartilages'.

The classical indication for meniscal repair is an acute longitudinal, unstable tear of >1cm in the periphery of the meniscus which is of traumatic (nondegenerative) etiology.

The knee should be stable or a concomitant...

An 'interpretation' of a paper from 2007, which is a literature review trying to determine whether cruciate ligament injury predisposes one to osteoarthritis of the knee.

Pages

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CLINICAL PUBLICATIONS

Restoration of the meniscus: form and function. Hutchinson ID, Moran CJ, Potter HG, Warren RF, Rodeo SA. Am J Sports Med. 2014 Apr;42(4):987-98.

Knee Range of Motion as a Discriminatory Tool Indicating Potential Meniscal Tears. Hollier J, Leonardi C, Igbokwe L, Dasa V. Ochsner J. 2018 Summer;18(2):126-130.


See also:



Clearing up confusion about knee cartilage - ebook



eBook - Seven Symptoms of a Torn Knee Meniscus