4)pushing (catalog no. 55~65)

55-1. Imagine a wall at one of eight directions  and push it with the sole of your foot and observe the reactions on the other parts of your body
56-2. Imagine a wall at one of eight directions  and push it with your palm and observe the reactions on the other parts of your body
57-3. Imagine a wall horizontally (transverse plane) and push it down with the sole of your foot and observe the reactions on the other parts of your body
58-4. Imagine a wall horizontally and push it up with the sole of your foot and observe the reactions on the other parts of your body
59-5. Imagine a wall horizontally and push it down with your palm and observe the reactions on the other parts of your body
60-6. Imagine a wall horizontally and push it up with your palm and observe the reactions on the other parts of your body
61-7. Imagine a wall and push it in spiral with your palm and observe the reactions on the other parts of your body
62-8. execute 1~7 using elbows, forearm,head, or any parts of your body 
63-9. execute 2 standing on one foot
64-10. execute 1, 2, 3, 4, 5, 6, 7 with imagining a huge wall
65-11. execute 1, 2, 3, 4, 5, 6, 7 with imagining a tiny wall