ps," Physical Therapy 68, no. 3 (Mar 1988): 352-56. Their experiment is discussed in detail in Chapter 4. 55 C. C. Lunardi, F. A. Marques da Silva, Rodrigues Mendes, Marques A. P. Stelmach, and Fernandes Carvalho,"Is there an Association Between Postural Balance and Pulmonary Function in Adults with Asthma?" C