Guhungabana kw'igitugu inyuma biterwa no kwimura inyuma cyangwa gukomeretsa byoroheje mu gihe cy'imyitozo ngororangingo cyangwa ibindi bikorwa, buri mwaka umubare w'abantu bandura 4.64 ku bantu 100000 ku mwaka. Ubuhanga bwinshi bwo kubaga kuvura urutugu rwinyuma

Ivunika rya Metacarpophalangeal ni ivunika risanzwe mu ihahamuka ry'intoki, bingana na 1/4 cy'abarwayi bafite ihungabana ry'amaboko. kubera imiterere yoroheje kandi igoye yukuboko nimikorere myiza ya moteri, gucunga kuvunika intoki nibyingenzi cyane kandi biragoye mubuhanga kuruta kuvura izindi mvune ndende.

Kumeneka kw'ibiti (HSF) birasanzwe, bingana na 1% kugeza 5% by'imvune zose. Indwara ya buri mwaka ni 13 kugeza kuri 20 kubantu 100.000 kandi byagaragaye ko yiyongera uko imyaka igenda ishira.HSF ifite igabanywa ryimyaka bimodal, impinga ya mbere igaragara kubagabo hagati yimyaka 21 na 30

Guhungabana kwa Patellofemorale (PFI) bikunze kugaragara mu gukomeretsa kw'ivi ry'abana. PFI iterwa nubusumbane bwimikorere ya patellar dinamike muri femorale trochlear groove. Kwimura hanze ya patella nuburemere bwa PFI, buterwa no gukomeretsa kwa stabilisateur yo hagati, bikaviramo patella gukubita condyle kuruhande.

Ubusanzwe kuvunika guherekezwa no gukomeretsa ibindi bice byumubiri. Muburyo bwose bwo kuvura, abarwayi bagomba kuvurwa muri rusange.