Jonathan F. Dickens, MD is Chief of the Orthopaedic Sports Medicine and Shoulder Service at Walter Reed National Military Medical Center (WRNMMC) in Bethesda, Maryland; Vice-Chair of Research for the Uniformed Services University Department of Surgery; and Adjunct Faculty at the John A. Feagin Jr. Sports Medicine Fellowship at the US Military Academy in West Point, New York. He is an Associate Professor of Surgery at the Uniformed Services University of the Health Sciences.Dr. Dickens earned his Bachelor of Science from Davidson College in North Carolina before entering the Army. He subsequently completed medical school at Indiana University in Bloomington, followed by Orthopaedic Surgery Residency at WRNMMC. He completed his Fellowship in Sports Medicine and Arthroscopy at the John A. Feagin Jr. Sports Medicine Fellowship at West Point. Dr. Dickens is a Lieutenant Colonel in the US Army and has served as a Consultant Physician for Special Operations Task Force–Afghanistan in 2015 and Commander of the Hamid Karzi International Airport NATO Role II Hospital in Kabul, Afghanistan in 2019.Brett D. Owens, MD is a Board-certified orthopedic sports medicine surgeon. Dr. Owens is currently a Professor in the Department of Orthopaedic Surgery at the Brown University Alpert Medical School and practices in Providence, Rhode Island. He is a retired Colonel in the US Army and previously served as Chief of Orthopaedics and Sports Medicine at Keller Army Hospital, West Point, New York. He is currently Team Physician for Brown University Athletics and the Providence Bruins (AHL).He attended the US Military Academy and Georgetown University School of Medicine. He completed his residency at the University of Massachusetts and the John A. Feagin Jr. Sports Medicine Fellowship at West Point. He was an AOA North American Traveling Fellow as well as an AOSSM-ESSKA Traveling Fellow.Dr. Owens has published more than 250 articles in orthopedics and sports medicine. This is his fourth textbook. His research has garnered the O’Donoghue Research Award, Aircast Award, and NCAA Research Awards from the American Orthopaedic Society for Sports Medicine and the AAOS Kappa Delta Award. Dr. Owens is proud to serve as Associate Editor of the American Journal of Sports Medicine since 2012.

• Dedication Acknowledgments About the Editors Contributing Authors Preface Introduction Section I Principles for the Team Physician Chapter 1 Team Physician Principles for the Management of Athletes Jessica L. Brozek, MD and Bradley J. Nelson, MD Chapter 2 Epidemiology of Shoulder Instability: Incidence, Risk Factors, and Prevention of Instability in the Athlete David J. Tennent, MD; Matthew A. Posner, MD; and Kenneth L. Cameron, PhD, MPH, ATC Chapter 3 Evaluation of Shoulder Instability on the Field and in the Clinic Francis P. Bustos, MD; Jeremy K. Rush, MD, FAAP; and Stephen F. Brockmeier, MD Chapter 4 Clinical Anatomy and Biomechanics David Eldringhoff, MD; Barry I. Shafer, PT, DPT, ATC; Gregory J. Adamson, MD;and Thay Q. Lee, PhD Section II Anterior Instability Chapter 5 Management of In-Season Anterior Instability and Return­to­Play Outcomes Jonathan F. Dickens, MD and Maj. Michael A. Donohue, MD Chapter 6 Decision Making in Surgical Treatment of Athletes With First­-Time vs Recurrent Shoulder Instability Brian C. Lau, MD; Carolyn A. Hutyra, MMCi; and Dean C. Taylor, MD Chapter 7 Radiographic and Advanced Imaging to Assess Anterior Glenohumeral Bone Loss Lisa K. O'Brien, DO and Brian R. Waterman, MD Chapter 8 Arthroscopic Anterior Shoulder Instability in the Athlete Lauren A. Szolomayer, MD and Robert Arciero, MD Chapter 9 Open Treatment of Anterior Instability Michael J. Pagnani, MD and Jason A. Jones, MD Chapter 10 Latarjet and Coracoid Transfer in Athletes Alexander Beletsky, BA; Ian J. Dempsey, MD, MBA; Brandon J. Manderle, MD; and Nikhil N. Verma, MD Chapter 11 Glenoid Bone Loss Augmentation Variations Matthew L. Vopat, MD; Liam A. Peebles, BA; Maj. Travis J. Dekker, MD, MC, USAF; and Matthew T. Provencher, MD, MC, USNR Chapter 12 Arthroscopic Latarjet Laurent LaFosse, MD; Christian Moody, MD; and Leonard Achenbach, MD Chapter 13 Hill-Sachs Management Morad Chughtai, MD; Andrew Swiergosz, MD; Linsen T. Samuel, MD, MBA; and Anthony Miniaci, MD Chapter 14 Rehabilitation of the In­Season and Postoperative Athlete Kevin E. Wilk, PT, DPT and Lenny Macrina, MSPT, SCS, CSCS Chapter 15 Return-to­Play Evaluation in the Postoperative Athlete for Anterior Shoulder Instability Brian Busconi, MD; Jonathon A. Hinz, DO; Benjamin J. Brill, DO; and Vickie Dills, PT, DPT, OCS, ITPT, CSAC Section III Posterior Instability Chapter 16 History and Examination of Posterior Instability Trey Colantonio, MD, CPT and CDR Lance LeClere, MD Chapter 17 Imaging of Posterior Shoulder Instability Josef K. Eichinger, MD, FAOA and Joseph W. Galvin, DO, FAAOS Chapter 18 Management of In-Season Athletes With Posterior Glenohumeral Instability Mark Slabaugh, MD, FAAOS and Christopher Gaunder, MD Chapter 19 Arthroscopic Management of Posterior Instability Fotios Paul Tjoumakaris, MD and James P. Bradley, MD Chapter 20 Bone Augmentation for Posterior Instability Jaymeson R. Arthur, MD and John M. Tokish, MD Chapter 21 Postsurgical Rehabilitation of Posterior Instability Evan W. James, MD; Kenneth M. Lin, MD; Lawrence V. Gulotta, MD; and Samuel A. Taylor, MD Chapter 22 Return to Play Following Posterior Stabilization Tracey Didinger, MD; Jennifer Reed, NP; and Eric McCarty, MD Section IV Special Topics in Instability Chapter 23 Revision Arthroscopic Stabilization Craig R. Bottoni, MD and Zackary Johnson, MD Chapter 24 Instability in the Throwing Athlete Ashley J. Bassett, MD and Steven B. Cohen, MD Chapter 25 Instability in the Pediatric and Adolescent Athlete Joseph W. Galvin, DO, FAAOS and Xinning Li, MD Chapter 26 Special Considerations for Multidirectional Instability Mark E. Cinque, MD and Geoffrey D. Abrams, MD Chapter 27 Special Considerations for Return to Play in Collision Athletes (Hockey, Football, and Rugby) Bruce S. Miller, MD, MS; Asheesh Bedi, MD; and Jack W. Weick, MD Chapter 28 Management of the Aging Athlete With the Sequelae of Shoulder Instability Lucca Lacheta, MD; Maj. Travis J. Dekker, MD, MC, USAF; and Peter J. Millett, MD, MSc Financial Disclosures Index

Jonathan F. Dickens, MD is Chief of the Orthopaedic Sports Medicine and Shoulder Service at Walter Reed National Military Medical Center (WRNMMC) in Bethesda, Maryland; Vice-Chair of Research for the Uniformed Services University Department of Surgery; and Adjunct Faculty at the John A. Feagin Jr. Sports Medicine Fellowship at the US Military Academy in West Point, New York. He is an Associate Professor of Surgery at the Uniformed Services University of the Health Sciences.Dr. Dickens earned his Bachelor of Science from Davidson College in North Carolina before entering the Army. He subsequently completed medical school at Indiana University in Bloomington, followed by Orthopaedic Surgery Residency at WRNMMC. He completed his Fellowship in Sports Medicine and Arthroscopy at the John A. Feagin Jr. Sports Medicine Fellowship at West Point. Dr. Dickens is a Lieutenant Colonel in the US Army and has served as a Consultant Physician for Special Operations Task Force–Afghanistan in 2015 and Commander of the Hamid Karzi International Airport NATO Role II Hospital in Kabul, Afghanistan in 2019.Brett D. Owens, MD is a Board-certified orthopedic sports medicine surgeon. Dr. Owens is currently a Professor in the Department of Orthopaedic Surgery at the Brown University Alpert Medical School and practices in Providence, Rhode Island. He is a retired Colonel in the US Army and previously served as Chief of Orthopaedics and Sports Medicine at Keller Army Hospital, West Point, New York. He is currently Team Physician for Brown University Athletics and the Providence Bruins (AHL).He attended the US Military Academy and Georgetown University School of Medicine. He completed his residency at the University of Massachusetts and the John A. Feagin Jr. Sports Medicine Fellowship at West Point. He was an AOA North American Traveling Fellow as well as an AOSSM-ESSKA Traveling Fellow.Dr. Owens has published more than 250 articles in orthopedics and sports medicine. This is his fourth textbook. His research has garnered the O’Donoghue Research Award, Aircast Award, and NCAA Research Awards from the American Orthopaedic Society for Sports Medicine and the AAOS Kappa Delta Award. Dr. Owens is proud to serve as Associate Editor of the American Journal of Sports Medicine since 2012.

• Dedication Acknowledgments About the Editors Contributing Authors Preface Introduction Section I Principles for the Team Physician Chapter 1 Team Physician Principles for the Management of Athletes Jessica L. Brozek, MD and Bradley J. Nelson, MD Chapter 2 Epidemiology of Shoulder Instability: Incidence, Risk Factors, and Prevention of Instability in the Athlete David J. Tennent, MD; Matthew A. Posner, MD; and Kenneth L. Cameron, PhD, MPH, ATC Chapter 3 Evaluation of Shoulder Instability on the Field and in the Clinic Francis P. Bustos, MD; Jeremy K. Rush, MD, FAAP; and Stephen F. Brockmeier, MD Chapter 4 Clinical Anatomy and Biomechanics David Eldringhoff, MD; Barry I. Shafer, PT, DPT, ATC; Gregory J. Adamson, MD;and Thay Q. Lee, PhD Section II Anterior Instability Chapter 5 Management of In-Season Anterior Instability and Return­to­Play Outcomes Jonathan F. Dickens, MD and Maj. Michael A. Donohue, MD Chapter 6 Decision Making in Surgical Treatment of Athletes With First­-Time vs Recurrent Shoulder Instability Brian C. Lau, MD; Carolyn A. Hutyra, MMCi; and Dean C. Taylor, MD Chapter 7 Radiographic and Advanced Imaging to Assess Anterior Glenohumeral Bone Loss Lisa K. O'Brien, DO and Brian R. Waterman, MD Chapter 8 Arthroscopic Anterior Shoulder Instability in the Athlete Lauren A. Szolomayer, MD and Robert Arciero, MD Chapter 9 Open Treatment of Anterior Instability Michael J. Pagnani, MD and Jason A. Jones, MD Chapter 10 Latarjet and Coracoid Transfer in Athletes Alexander Beletsky, BA; Ian J. Dempsey, MD, MBA; Brandon J. Manderle, MD; and Nikhil N. Verma, MD Chapter 11 Glenoid Bone Loss Augmentation Variations Matthew L. Vopat, MD; Liam A. Peebles, BA; Maj. Travis J. Dekker, MD, MC, USAF; and Matthew T. Provencher, MD, MC, USNR Chapter 12 Arthroscopic Latarjet Laurent LaFosse, MD; Christian Moody, MD; and Leonard Achenbach, MD Chapter 13 Hill-Sachs Management Morad Chughtai, MD; Andrew Swiergosz, MD; Linsen T. Samuel, MD, MBA; and Anthony Miniaci, MD Chapter 14 Rehabilitation of the In­Season and Postoperative Athlete Kevin E. Wilk, PT, DPT and Lenny Macrina, MSPT, SCS, CSCS Chapter 15 Return-to­Play Evaluation in the Postoperative Athlete for Anterior Shoulder Instability Brian Busconi, MD; Jonathon A. Hinz, DO; Benjamin J. Brill, DO; and Vickie Dills, PT, DPT, OCS, ITPT, CSAC Section III Posterior Instability Chapter 16 History and Examination of Posterior Instability Trey Colantonio, MD, CPT and CDR Lance LeClere, MD Chapter 17 Imaging of Posterior Shoulder Instability Josef K. Eichinger, MD, FAOA and Joseph W. Galvin, DO, FAAOS Chapter 18 Management of In-Season Athletes With Posterior Glenohumeral Instability Mark Slabaugh, MD, FAAOS and Christopher Gaunder, MD Chapter 19 Arthroscopic Management of Posterior Instability Fotios Paul Tjoumakaris, MD and James P. Bradley, MD Chapter 20 Bone Augmentation for Posterior Instability Jaymeson R. Arthur, MD and John M. Tokish, MD Chapter 21 Postsurgical Rehabilitation of Posterior Instability Evan W. James, MD; Kenneth M. Lin, MD; Lawrence V. Gulotta, MD; and Samuel A. Taylor, MD Chapter 22 Return to Play Following Posterior Stabilization Tracey Didinger, MD; Jennifer Reed, NP; and Eric McCarty, MD Section IV Special Topics in Instability Chapter 23 Revision Arthroscopic Stabilization Craig R. Bottoni, MD and Zackary Johnson, MD Chapter 24 Instability in the Throwing Athlete Ashley J. Bassett, MD and Steven B. Cohen, MD Chapter 25 Instability in the Pediatric and Adolescent Athlete Joseph W. Galvin, DO, FAAOS and Xinning Li, MD Chapter 26 Special Considerations for Multidirectional Instability Mark E. Cinque, MD and Geoffrey D. Abrams, MD Chapter 27 Special Considerations for Return to Play in Collision Athletes (Hockey, Football, and Rugby) Bruce S. Miller, MD, MS; Asheesh Bedi, MD; and Jack W. Weick, MD Chapter 28 Management of the Aging Athlete With the Sequelae of Shoulder Instability Lucca Lacheta, MD; Maj. Travis J. Dekker, MD, MC, USAF; and Peter J. Millett, MD, MSc Financial Disclosures Index

Jonathan F. Dickens, MD is Chief of the Orthopaedic Sports Medicine and Shoulder Service at Walter Reed National Military Medical Center (WRNMMC) in Bethesda, Maryland; Vice-Chair of Research for the Uniformed Services University Department of Surgery; and Adjunct Faculty at the John A. Feagin Jr. Sports Medicine Fellowship at the US Military Academy in West Point, New York. He is an Associate Professor of Surgery at the Uniformed Services University of the Health Sciences.Dr. Dickens earned his Bachelor of Science from Davidson College in North Carolina before entering the Army. He subsequently completed medical school at Indiana University in Bloomington, followed by Orthopaedic Surgery Residency at WRNMMC. He completed his Fellowship in Sports Medicine and Arthroscopy at the John A. Feagin Jr. Sports Medicine Fellowship at West Point. Dr. Dickens is a Lieutenant Colonel in the US Army and has served as a Consultant Physician for Special Operations Task Force–Afghanistan in 2015 and Commander of the Hamid Karzi International Airport NATO Role II Hospital in Kabul, Afghanistan in 2019.Brett D. Owens, MD is a Board-certified orthopedic sports medicine surgeon. Dr. Owens is currently a Professor in the Department of Orthopaedic Surgery at the Brown University Alpert Medical School and practices in Providence, Rhode Island. He is a retired Colonel in the US Army and previously served as Chief of Orthopaedics and Sports Medicine at Keller Army Hospital, West Point, New York. He is currently Team Physician for Brown University Athletics and the Providence Bruins (AHL).He attended the US Military Academy and Georgetown University School of Medicine. He completed his residency at the University of Massachusetts and the John A. Feagin Jr. Sports Medicine Fellowship at West Point. He was an AOA North American Traveling Fellow as well as an AOSSM-ESSKA Traveling Fellow.Dr. Owens has published more than 250 articles in orthopedics and sports medicine. This is his fourth textbook. His research has garnered the O’Donoghue Research Award, Aircast Award, and NCAA Research Awards from the American Orthopaedic Society for Sports Medicine and the AAOS Kappa Delta Award. Dr. Owens is proud to serve as Associate Editor of the American Journal of Sports Medicine since 2012.

• Dedication Acknowledgments About the Editors Contributing Authors Preface Introduction Section I Principles for the Team Physician Chapter 1 Team Physician Principles for the Management of Athletes Jessica L. Brozek, MD and Bradley J. Nelson, MD Chapter 2 Epidemiology of Shoulder Instability: Incidence, Risk Factors, and Prevention of Instability in the Athlete David J. Tennent, MD; Matthew A. Posner, MD; and Kenneth L. Cameron, PhD, MPH, ATC Chapter 3 Evaluation of Shoulder Instability on the Field and in the Clinic Francis P. Bustos, MD; Jeremy K. Rush, MD, FAAP; and Stephen F. Brockmeier, MD Chapter 4 Clinical Anatomy and Biomechanics David Eldringhoff, MD; Barry I. Shafer, PT, DPT, ATC; Gregory J. Adamson, MD;and Thay Q. Lee, PhD Section II Anterior Instability Chapter 5 Management of In-Season Anterior Instability and Return­to­Play Outcomes Jonathan F. Dickens, MD and Maj. Michael A. Donohue, MD Chapter 6 Decision Making in Surgical Treatment of Athletes With First­-Time vs Recurrent Shoulder Instability Brian C. Lau, MD; Carolyn A. Hutyra, MMCi; and Dean C. Taylor, MD Chapter 7 Radiographic and Advanced Imaging to Assess Anterior Glenohumeral Bone Loss Lisa K. O'Brien, DO and Brian R. Waterman, MD Chapter 8 Arthroscopic Anterior Shoulder Instability in the Athlete Lauren A. Szolomayer, MD and Robert Arciero, MD Chapter 9 Open Treatment of Anterior Instability Michael J. Pagnani, MD and Jason A. Jones, MD Chapter 10 Latarjet and Coracoid Transfer in Athletes Alexander Beletsky, BA; Ian J. Dempsey, MD, MBA; Brandon J. Manderle, MD; and Nikhil N. Verma, MD Chapter 11 Glenoid Bone Loss Augmentation Variations Matthew L. Vopat, MD; Liam A. Peebles, BA; Maj. Travis J. Dekker, MD, MC, USAF; and Matthew T. Provencher, MD, MC, USNR Chapter 12 Arthroscopic Latarjet Laurent LaFosse, MD; Christian Moody, MD; and Leonard Achenbach, MD Chapter 13 Hill-Sachs Management Morad Chughtai, MD; Andrew Swiergosz, MD; Linsen T. Samuel, MD, MBA; and Anthony Miniaci, MD Chapter 14 Rehabilitation of the In­Season and Postoperative Athlete Kevin E. Wilk, PT, DPT and Lenny Macrina, MSPT, SCS, CSCS Chapter 15 Return-to­Play Evaluation in the Postoperative Athlete for Anterior Shoulder Instability Brian Busconi, MD; Jonathon A. Hinz, DO; Benjamin J. Brill, DO; and Vickie Dills, PT, DPT, OCS, ITPT, CSAC Section III Posterior Instability Chapter 16 History and Examination of Posterior Instability Trey Colantonio, MD, CPT and CDR Lance LeClere, MD Chapter 17 Imaging of Posterior Shoulder Instability Josef K. Eichinger, MD, FAOA and Joseph W. Galvin, DO, FAAOS Chapter 18 Management of In-Season Athletes With Posterior Glenohumeral Instability Mark Slabaugh, MD, FAAOS and Christopher Gaunder, MD Chapter 19 Arthroscopic Management of Posterior Instability Fotios Paul Tjoumakaris, MD and James P. Bradley, MD Chapter 20 Bone Augmentation for Posterior Instability Jaymeson R. Arthur, MD and John M. Tokish, MD Chapter 21 Postsurgical Rehabilitation of Posterior Instability Evan W. James, MD; Kenneth M. Lin, MD; Lawrence V. Gulotta, MD; and Samuel A. Taylor, MD Chapter 22 Return to Play Following Posterior Stabilization Tracey Didinger, MD; Jennifer Reed, NP; and Eric McCarty, MD Section IV Special Topics in Instability Chapter 23 Revision Arthroscopic Stabilization Craig R. Bottoni, MD and Zackary Johnson, MD Chapter 24 Instability in the Throwing Athlete Ashley J. Bassett, MD and Steven B. Cohen, MD Chapter 25 Instability in the Pediatric and Adolescent Athlete Joseph W. Galvin, DO, FAAOS and Xinning Li, MD Chapter 26 Special Considerations for Multidirectional Instability Mark E. Cinque, MD and Geoffrey D. Abrams, MD Chapter 27 Special Considerations for Return to Play in Collision Athletes (Hockey, Football, and Rugby) Bruce S. Miller, MD, MS; Asheesh Bedi, MD; and Jack W. Weick, MD Chapter 28 Management of the Aging Athlete With the Sequelae of Shoulder Instability Lucca Lacheta, MD; Maj. Travis J. Dekker, MD, MC, USAF; and Peter J. Millett, MD, MSc Financial Disclosures Index