When I tell you to begin, you're going to pick one foot up approximately 6 in off the ground. You're going to count 1 1 2 100 3 100 and so on until I tell you to stop. >> While you're doing this, I would like you to keep your arms by your side. >> Okay? >> I would like you to count out loud, >> and I would like you to keep your foot straight or your leg straight. >> Okay? >> And if at any point you touch the ground, just pick it back up and start from where you left off. Does that make sense? You understand? >> Absolutely. >> Okay? All right. Whenever you're ready, you can begin. Can you keep your arms by your side? Put your foot out in front of you like you're instructed. >> So, you want me to explain one more time? Do you want me to explain it one more time? >> Yes, please. >> Okay. So, when I tell you to begin, you're going to keep your arms by your side. You're going to lift one foot approximately 6 in off the ground in front of you. >> Okay? You look at me while I'm demonstrating it. Okay? And you're going to count 4 1,000, 2, 1,000, 3,000, and so on until I tell you to stop. While you do it, I want you to count out loud. I want you to watch your foot, your raised foot. I want you to keep your raised leg straight. You understand the instruction?