I-Discovery-P Series Leg Extension yenzelwe ukusebenzisa i-motion trajectory ngokuhlukanisa kunye nokubandakanya ngokupheleleyo i-quadriceps. Isakhiwo sothungelwano esicocekileyo siqinisekisa ukuhanjiswa ngokuchanekileyo kobunzima bomthwalo, kwaye isihlalo esilungiselelwe nge-ergonomically kunye neepads ze-shin ziqinisekisa ukuthuthuzelwa koqeqesho.