
--Ekuvuseleleni ubuhlungu, ukusebenzisa amathuluzi okwelapha ngokomzimba kuvame ukubekwa phambili kunokulungisa ukungalingani kwemisipha nezinkinga ze-biomechanical njengezindlela zokuphatha ubuhlungu zesikhathi eside. Amathuluzi amaningi okwelapha ngokomzimba okwelapha ubuhlungu abhekana kuphela nezingxenye zomzimba; awahlinzeki ngesembozo esiphelele sokwelapha ukungakhululeki kwamalunga nemisipha okujulile.
--Esikhundleni sokugxila esicini esisodwa sobuhlungu, ukwelashwa kobuhlungu kufanele kube okuphelele. (Imbangela eyinhloko ayibhekwananga nethiyori yokulawula isango ikakhulukazi.) Kusukela enkingeni eyisisekelo, ikhambi kufanele libhekane nokuntuleka kokusebenza kanye nokukhathazeka ngesimo ngesu eliphelele elidlulela ngale kokuqeda ubuhlungu.