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.
Knee cartilage
Knee cartilages
Semi-lunar cartilage
Semi-lunar cartilages
Meniscal cartilage
Meniscal cartilages

Young people have special issues when it comes to knee injury, because their bones are still growing.




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.

Biomechanics and Clinical Outcomes of Partial Meniscectomy. Feeley BT, Lau BC. J Am Acad Orthop Surg. 2018 Sep 18. doi: 10.5435/JAAOS-D-17-00256. [Epub ahead of print].

eBook - Seven Symptoms of a Torn Knee Meniscus