Ivitua lapopoa faanatura ma maso vali valivali

O lenei faʻataʻitaʻiga lapoʻa masani faʻataʻitaʻiga o loʻo faʻaalia uma uiga autu o tui taʻitasi i auiliiliga sili, e aofia ai le tui,
A'a neura, alatoto vetebral, tisiketi vaevae, fa'agasologa felavasa'i o le ivitū, ma le vaega vertebral.O tulaga o musele sa fa'avasegaina ma le lima
Mo nisi su'esu'ega.O vaega taua e aofia ai: fe'avea'i
Tula'au, sacrum, ponaivi occipital, alatoto vetebral, ala neura ma lumbar intervertebral disc.Faatasi ai ma se nofoa uʻamea matagofie.