Moodeelkan laf-dhabarka ee dabiiciga ah wuxuu muujinayaa dhammaan astaamaha ugu waaweyn ee laf dhabarta oo si fiican u ah, oo ay ku jiraan laf dhabarta,
Xididdada dareemayaasha, halbohaha dareemayaasha, kala goynta diskiga disc, transit-ka qaybta laf-dhabarka, iyo qaybta vertebral. Jagooyinka muruqyada ayaa si gaar ah loo qiimeeyay
Waxbarasho dheeraad ah. Astaamaha muhiimka ah waxaa ka mid ah: beerbilka
Laf dhabarta, sacrum, lafta artepical, halbowlaha vertebral, halbowlaha dareemayaasha iyo lumbar-ga Oo leh kursi bir ah oo raaxo leh.