Iyo Discovery-P Series Leg Extension yakagadzirirwa kushandisa iyo inofamba trajectory nekuzviparadzanisa uye nekuita zvizere quadriceps. Iyo chaiyo mechanic transmission chimiro inovimbisa kufambiswa kwakaringana kwehuremu hwehuremu, uye ergonomically optimized chigaro uye shin pads inovimbisa kudzidziswa kunyaradza.