MBT shoes our bodies were notflat foot while walki (Score -1, Offtopic)

The unique design of the MBT sole makes your body work harder with every step you take. The natural rolling movement of walking on an uneven surface expends more energy. According to research conducted by independent labs, your lower leg muscles are 18% more active when walking in mbt shoes than in normal athletic shoes. Your thigh muscles work 19% harder, and your buttocks work 9% harder. Even the muscles of your abdomen and upper back work harder. The end result is more toned and shapelier muscles.