Ka treadmill ka tlas'a metsi ( metsi a treadmill ) phekolo ea 'mele, nako e telele ea boikoetliso e kopantsoe le ho hanyetsa ho matla ha metsi.Sena se etsa hore pelo e be le mamello e eketsehileng, e leng se matlafatsang matla a mokuli a ho sebetsa fatše. E ka sebelisoa lipetlele, litlelapeng tsa bophelo bo botle, lihoteleng, malapeng le li-jet tsa poraefete.