N'ọtụtụ ọnọdụ, cruralgia bụ n'ihi mkpakọ nke akwara crural site na diski herniated. Hernia bụ nhazi nke sitere na diski intervertebral, nke, na-esi na ohere ya pụta, na-etinye nrụgide na otu n'ime mgbọrọgwụ nke akwara crural.

A na-emepụta ọkpụkpụ azụ site na nchịkọta nke vertebrae nke a na-akpọ diski intervertebral, nke dị ka nke cartilage na ligament kewapụrụ na ibe ya. Diski a na-arụkarị ọrụ dị ka ihe na-akpata ujo na ihe nkesa ike. Diski a, nke nwere mgbanaka nwere isi na etiti ya, na-eme ka mmiri na-ekpo ọkụ ma na-agbawa n'ime afọ. Nucleus nke diski ahụ nwere ike ịkwaga na mpụta wee pụta, nke a bụ diski herniated. Nke a hernia nwere ike kpasuo iwe ma mpikota onu mgbọrọgwụ akwara, na nke a, mgbọrọgwụ lumbar L3 ma ọ bụ L4 maka akwara crural, na-akpata mgbu. Enwere ike jikọta mkpakọ a na osteoarthritis nke ọkpụkpụ azụ (nkịta parọt, ma ọ bụ nhazi ọkpụkpụ na-eme ka mgbọrọgwụ nke irighiri akwara) na / ma ọ bụ mbelata oghere nke ọwa mmiri nke dị n'akụkụ ọkpụkpụ azụ, nke na-agbanye ya.

Ọtụtụ adịkarịghị, a pụrụ ịtụle ihe ndị ọzọ na-akpata mkpakọ (ọrịa, hematoma, mgbaji, etuto, wdg).