Sehlahisoa sena se etselitsoe borikhoe ba 'mele oa basali ka mor'a ho pepa, ho sebelisoa phetoho e matlafalitsoeng ea masapo a pelvic a mela e meraro ea moralo oa li-buckle tse robeli.Ka khatello e habeli ea ho bapala phello ea lebanta la mpa le ho phahamisa letheka, linako tsohle tsa selemo li loketse.Lisebelisoa tse khethiloeng ka hloko, tse phutholohileng le tse nang le tikoloho le bophelo bo botle, li ka bopa S curve, mosebetsi o motle, matšeliso le bonolo, ho theha lekhalo le khahlehang la letheka.Ho lokisoa ha pelvis, ho fihlela phello ea ho phahamisa marako, ka lebanta la mpa ho matlafatsa sebopeho.Lesela le phutholohile haholoanyane ebile le na le letlalo la letlalo, le na le letlooeng la gauze le phefumolohang, lesela le ka tlaase le nang le likarolo tse peli, tlhokomelo e ntle ea letlalo, le phutholohile ebile le phetse hantle.Tšebeliso ea ho itšeha ka mahlakoreng a mararo, elasticity e phahameng le elasticity, nako e telele ea ho apara ntle le deformation, e phutholohile ebile e sa strangulation.