- Hi, I'm Tiana and I'm going to put you guys through a strength workout with our Stamina aerobic step. All the way down, all the way up. If you can't go all the way down, the most important thing here is you don't want to sag your hips when we're doing a pushup. You want to keep that core nice and tight. So you're going all the way down, all the way up. So we're going to have that back foot elevated on the step again. This is actually a single leg deadlift, so you're going to feel this in your hamstring and your glute. So you've got that front leg, knee slightly bent, you're going to go down, and then back up. Okay. Really important here, do not arch your back. Keep that back nice and tucked in. If you feel any pulling in your lower back, other than just those muscles being worked, stop, correct your form. So we're going to come to the back, behind our step. Going to step up on your step and you're going to lunge, push off with that front foot, go with the other leg. If that's too difficult for you, if you're worried about stability, take a step back, just do your lunges right behind your step, okay? So we're going to go right leg, and then we're going to alternate to your left leg. Here we go, 3...