All right. And the last test is the one leg stand. This one, just for the instructions, put your feet together, arms at your side for me. Pick either leg of your choosing, lift it approximately 6 in off of the ground with your arms at your side, your legs straight. You're going to look at your foot and count out loud in this manner. 1,001, 1,002, 1,003 until I tell you to stop. >> Okay, so when I told you I have a bad knee, that that does um >> So, pick the other leg. So, you're going to balance on the other leg. >> It I know that it's it's not going to be like the same, but I do have like tests that I do and it does fluctuate. So, that's not going to be like um 100% guaranteed. Cuz I can >> Try it if you want to. I I give you the instructions. If it hurts or whatever, but so So, lift Lift the Lift the leg that's hurt. Lift the knee that's hurt. >> Okay. >> Point your toe with your leg your other both legs straight as If your knee can't go totally straight, that's okay. Look at your foot. Arms at your side. >> have balance. >> Count out loud. 1,001, 1,002 without using your arms to balance or anything. Okay? Until I tell you to stop.