Okay. So, feet together, arms to your side. Don't start until I tell you to begin. I'm going to demonstrate and tell you what to do, okay? You're going to lift either um approximately 6 in off the ground. You're going to keep both your legs straight, okay? And you're going to keep your eyes on whatever foot you're raising, okay? It's going to look like this. So, when I tell you to begin, you're going to raise your foot approximately approximately 6 in off the ground. Keep also keep it parallel to the ground, okay? And count out loud 1 1,000 2 1,000 3 1,000 until I tell you to stop, okay? Remember keep both your legs straight and keep your eyes on the tip your toe, okay? Do you understand what I told you? >> Yeah. 4 1,000 2 1,000 3 1,000 4 1,000 5 1,000 6 1,000 7 1,000 8 1,000 >> But only if it fall. Keep touching the ground. Okay. Put your shoes on first.