Sections View Full Chapter Figures Tables Videos Annotate Full Chapter Figures Tables Videos Supplementary Content + Download Section PDF ++ Joseph M. McCulloch, PhD, PT, CWS, FACCWS, FAPTA ++ Professor and Dean ++ School of Allied Health Professions ++ Louisiana State University Health Sciences Center ++ Shreveport, Louisiana ++ ++ Luther C. Kloth, MS, PT, CWS, FACCWS, FAPTA ++ Professor Emeritus ++ Physical Therapy Department ++ Marquette University ++ Milwaukee, Wisconsin