Sections View Full Chapter Figures Tables Videos Annotate Full Chapter Figures Tables Videos Supplementary Content + Download Section PDF ++ We are deeply grateful to the following people for their assistance and support: ++ The chapter authors and contributors who made the publication of the fourth edition possible and were willing to share their expertise in working with persons living with spinal cord injury. The physical and occupational therapists at the University of Pittsburgh Medical Center Institute for Rehabilitation and Research, for welcoming Martha into their midst. The members of the Academy of Spinal Cord Injury Professionals, for advancing rehabilitation for individuals with spinal cord injury through interdisciplinary networking, education, professional development, and publication of scientific research. The family and friends who provided encouragement in this edition’s writing, a group that includes Dave and Jess Somers, Dave Freeman, Lynn Portz, Andy Burnett, and Skye Donovan. The former students who provided feedback on the third edition, a group that includes Michael Allebach, Katie Auwaerter, Nick Disomma, Nicole Falasco, Ruth Hallas, Kelly Hartline, Peter Haywiser, Anthony Herzog, Sarah Karg, Christine McElfresh, Sara Shippen, Alicia Stein, Stephanie Strutt, and Jocelyn White. A special thank you to the F. A. Davis staff, particularly our acquisitions editor, Jennifer Pine, and our developmental editor, Pat Gillivan, and our content project manager, Elizabeth Stepchin, all of whom helped bring the fourth edition to fruition. Most of all, thanks to Dave Somers and Andy Burnett for their endless patience and support.