Acknowledgments: The author acknowledges David Kaye, Lo Binkley, and the staff of Amgen Inc., for their support of this project. The author also thanks Jennifer A. Moshak, MS, ATC, CSCS, Assistant Director for Sports Medicine, University of Tennessee, at Knoxville, TN, for her support in the preliminary planning of this project. Note: This event was cosponsored by the National Kidney Foundation of Southern California and Amgen Inc, and funded by the National Kidney Foundation of Southern California through an unrestricted grant from Amgen Inc.