Image 13: Did you notice that the dog didn’t run here? Image 14. Exercise number four involves lying on your back, keeping your legs together, and slowly raising yourself as high as you can. Post navigation Top 10 Fastest Trains In The World Beyond Imagination: Explore the World’s Most Expensive Construction Marvels 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15