. Dr. Pfeiffer has taught at Boise State University since 1979 and has been a BOC certified athletic trainer since 1978. He teaches undergraduate and graduate classes in musculoskeletal anatomy and sports injuries. His research is in the area of musculoskeletal injuries with a specific focus in recent years on injuries to the anterior cruciate ligament. He has co-authored a number of book chapters as well as research publications based on his research. He presently serves as the Director of the Center for Musculoskeletal Research at Boise State University. In his spare time, Dr. Pfeiffer serves as a volunteer athletic trainer for youth sports teams and enjoys fly fishing. Dr. Brent Mangus is currently the Dean of the College of Education and Human Services at Texas A&M University-Commerce.' He has done volunteer work with the UNLV athletic department men's and women's varsity teams and traveled with the U.S. Youth Soccer National Teams to competitions in France, Germany, Bolivia, Costa Rica, Argentina, and numerous events in the U.S.' He has also worked in athletic training with Davis County High Schools in Utah and with Springfield High School in Springfield, Oregon.' His degrees include: Ed.D University of Utah 1984- Exercise Science, M.S. University of Oregon 1978-Physical Education/ Sports Medicine, and B.S. Utah State University 1977- Dual B.S. Physical Education/ Health. Dr. Trowbridge has taught at UT-Arlington since 2004 and has been a BOC certified athletic trainer (AT) since 1993. She serves as an associate professor for the athletic training education program and teaches within the Athletic Training Master’s program at UT-Arlington. Cindy is actively engaged in research on the clinical effectiveness of therapeutic modalities including diathermy, electrical stimulation, whole body vibration, and cryotherapy. She has presented abstracts at national conferences and continues to publish research data. Cindy has been an AT with Olympic-level sports and traveled with the Bobsled and Skeleton teams. She served on the sport medicine teams for the Winter World University Games (2003) and the Beijing Paralympics (2008). She also has worked with USA Basketball and travelled to the 3x3 Basketball World Championships (18 and under) in Madrid, Spain (2012) and Jakarta, Indonesia (2013). She is a Most Distinguished Athletic Trainer for National Athletic Trainers’ Association (2014) and was recently awarded the Christine M Bonci Award for Excellence in Athletic Training Scholarship from the Southwest Athletic Trainers’ Association (2021). In her spare time, she enjoys live music, international travel, skiing, hiking, and cycling. Chapter Overviews: Major Concepts sections offer a sneak peek into each chapter's content Anatomy Introduction & Refresher: Review sections familiarize students with human anatomy, benefiting both beginners and those needing a refresher Critical Thinking Exercises: 'What If?' boxes encourage individual or group decision-making practice through role-playing Additional Insights: 'Time Out' boxes provide supplementary information, like NATA Athletic Helmet Removal Guidelines Expert Perspectives: 'Athletic Trainers SPEAK Out' boxes feature different trainers discussing athlete care and injury prevention aspects in each chapter Chapter Wrap-up: Review Questions engage students in thoughtful key concept review at the end of each chapter