Iziguli kufanele zithule kungakhathaliseki ukuthi zithule kancane noma ngokuphelele zisesimweni esifanayo amahora amaningi phakathi nokuhlinzwa.Ngenxa yezici zomzimba nokuminyana, ama-positioners angakwazi ukuzivumelanisa nendawo yomzimba futhi avumele ukusekelwa okunethezeka esigulini etafuleni lokusebenza.
Isiguli esisegunjini lokuhlinza asizwa ubuhlungu futhi asikwazi ukuxhumana nokungakhululeki okubonwa phakathi nezinguquko ze-postural, nanoma ibuphi ubuhlungu obubangelwa isikhundla sokugcina okufanele sibubekezelele amahora amaningi.Ngakho-ke, kubalulekile ukuthi isiguli sibekwe ngendlela efanele.