One limb was non-functional so the functioning muscles on the opposite side exerted an unopposed pull on the spine forcing it out of alignment. He had scoliosis or "twisted disease" due to an uneven pull on the muscles.
Breads, grains and cereals are carbohydrates that provide energy for your brain and muscles. They're also an excellent source of fibre and B vitamins. Without enough carbohydrates you may feel tired and run down.