O sikulima pedicle, la'au ma vaega loka e fausia ai se fau fau pito i tua e mafai ona fa'amautu vaega filifilia a'o fa'atupu le fusuaga. Ole filifiliga ole faiga e tatau ona fa'avae ile anatomy ua togafitia, fa'amoemoe e fa'aoga, fuafuaga fau, lelei ponaivi, meafaigāluega fetaui ma fa'amaumauga o oloa fa'atau.