Igitunguru gitunganijwe nicyitegererezo gishya cya Treadmill iteye depopulating mumikino yose yisi. Ibiranga ni impinduramatwara kandi ntibisaba amashanyarazi gukora. Ubutaka bugoramye butanga uburambe butandukanye kuruta kuri moteri gakondo.
Imyenda yo kwikunda igufasha kwiruka mubisanzwe nkaho wiruka hanze kumaguru. Ariko kwisubiraho kuri iyi jambo rigoramye cyangwa ukandagira (kubakunda ururimi rwicyongereza) zarafashe abakinnyi baturutse kwisi yose. Ubwoko bwimikorere ikorwa kugirango ikore kuri treadm yerekana neza neza, ikoresha amatsinda yimitsi mumubiri icyarimwe kuruta inzira gakondo yo kuyobora abakinnyi benshi.