Soosaarayaasha furayaasha pedicle waxay bixiyaan qalabka asaasiga ah ee ka dambeeya hagaajinta laf-dhabarka - boolasha, ulaha, iyo xirayaasha xasiliya laf dhabarta thoracolumbar ee qallafsanaanta, qallafsanaanta, dhaawacyada, iyo kiisaska dib u eegista. Qaybtani waxa ay fadhidaa badhtamaha inta badan buug-yaraha qaybiyeyaasha laf dhabarta, taas oo ah sababta dhabta ah ee ay ugu qalanto qiimayn taxadar badan marka loo eego 'calamkee ugu weyn.'