Forward Run/Back Pedal: Start by harnessing to the Power Base Trainer. With the harness on, facing away from the machine, begin to run forward, until you feel resistance growing from the anchor. Back pedal, running backward to ease the tension. Repeat in sets.
Back Pedal/Forward Run: Harness facing the machine and do the reverse of the previous exercise, running toward the machine, then back pedaling away from it.
Lunge: Harnessed facing away from the machine, step forward until there is resistance. Then lunge forward with each successive leg, forming a nearly 90 degree angle with the knee down toward the ground.