Sections View Full Chapter Figures Tables Videos Annotate Full Chapter Figures Tables Videos Supplementary Content + Download Section PDF ++ Peggy A. Houglum, PhD, PT, ATC ++ Associate Professor ++ Athletic Training ++ Rangos School of Health Sciences ++ Duquesne University ++ Pittsburgh, Pennsylvania ++ ++ Dolores B. Bertoti, MS, PT ++ Associate Professor and Chair, Allied Health and Human Services ++ Alvernia University ++ Reading, Pennsylvania