I-Discovery-P Series Leg Extension iklanyelwe ukusebenzisa i-trajectory yokunyakaza ngokuhlukanisa nokubandakanya ngokugcwele ama-quadriceps. Isakhiwo sokudlulisa esisebenza ngomshini siqinisekisa ukudluliswa okunembile kwesisindo somthwalo, futhi isihlalo esenziwe nge-ergonomically nama-shin pads aqinisekisa ukunethezeka kokuqeqeshwa.