Because of. Repeat this exercise. Difficulty is difficult but easy. Start shaking your head. Put your arms around your chest, and spread your arms on your left. You will lift your left knee from the top of your right foot, climb your left foot on the floor, and let your hands and arms relax for 90 weeks. Keep your left foot on the floor and spread your arms back and forth. Then open your left foot and hang and rotate your right knee to 90 and 90 degrees Turn left and right and again. Repeat twice and repeat right and then left.