Dr Matthew Posner | Orthopaedic Surgeon Adams County

Matthew Posner, MDColonel (retired), US Army Orthopaedic Sports Medicine Specialist

Colonel (Retired) Matthew Posner, MD is a board-certified orthopaedic surgeon with subspecialty certification in sports medicine. He recently retired from the Army after 26 years of active-duty service. His awards include the Legion of Merit, the Bronze Star Medal, the Order of Military Medical Merit, and the "A" Proficiency Designator for recognition of the highest level of professional achievement within the US Army Medical Corps.

Dr Posner graduated from the United States Military Academy at West Point and served in the US Army for the past thirty years. In his last assignment, Colonel Posner served as the Chief of Orthopaedic Surgery at West Point as well as the program director for its Sports Medicine Fellowship. He was appointed to the position of head team physician for USMA and its 28 Division 1 college athletic teams.

After medical school, Orthopaedic surgery residency, and a sports medicine fellowship, Matt was assigned to Fort Campbell, Kentucky. He utilized his orthopaedic sports medicine skills in the treatment of Soldiers and families assigned to the 101st Airborne Division, 5th Special Forces Group, and 160th Special Operations Regiment. Colonel Posner deployed to Afghanistan in support of Operation Enduring Freedom and served as an Orthopaedic trauma surgeon at Camp Bastion Role 3 NATO hospital.

For the past decade at West Point, Dr. Posner served as the Chief of Orthopaedic Surgery and as the program director for the Sports Medicine Fellowship. He was the head team physician for West Point’s robust and highly competitive NCAA Division 1 athletic teams. Lastly, Dr. Posner served as faculty professor of Mechanical Engineering at West Point, where he taught undergraduate courses and conducted biomechanical research with Cadets, medical students, residents, and fellows.

He was also recently promoted to the position of Associate Professor of Surgery at the Uniformed Services University of the Health Sciences. Matt continues to serve on committees for several sports medicine organizations and routinely teaches residents and fellows at national educational labs and courses.

Dr. Posner has dedicated much of his career to studying the prevention of sports injuries and return to activity after sports injuries in our military population. His areas of expertise include shoulder, knee, hip, and ankle injuries in athletes and utilizing techniques and treatments to return these patients back to high levels of function and sports. He has served as co-investigator on several multi-center studies on musculoskeletal injury prevention, optimization of surgical techniques, and long-term injury analysis on return to duty rates. He has published over 50 articles and books chapters in multiple peer-reviewed journals and Orthopaedic textbooks.

Education & Training

Fellowship 08/2011 to 07/2012 COL John A Feagin Jr Orthopaedic Sports Medicine Keller Army Community Hospital, West Point, NY
Residency 07/2007 to 06/2011 Orthopaedic Surgery, William Beaumont Army Medical Center / Texas Tech University Combined Program, Fort Bliss, TX
Internship 07/2006 to 06/2007 Orthopaedic Surgery, William Beaumont Army Medical Center / Texas Tech University Combined Program Fort Bliss, TX
Doctor of Medicine 08/2002 to 05/2006 Penn State College of Medicine, Hershey, PA
Post-Baccalaureate Pre-Medical Program 06/2000 to 05/2001 Loyola University Chicago
Undergraduate 07/1990 to 05/1994 United States Military Academy BS: Mechanical Engineering West Point, NY
High School 08/1987 to 05/1990 The Hill School, Pottstown, PA

Academic Appointments

Professor, Orthopaedic Surgery and Sports Medicine
Penn State Health Sports Medicine and Physical Therapy 2022-2023
Fellowship Director
Penn State Orthopaedic Sports Medicine Fellowship 2022-2023
Associate Professor of Surgery
Uniformed Services University of the Health Sciences Bethesda, MD 2012-Present
Fellowship Director
John A Feagin Jr Orthopaedic Sports Medicine Fellowship West Point, NY 2016-2022
Chief Medical Officer to the NCAA
United States Military Academy, West Point, NY 2015-2022
Assistant Professor, Mechanical Engineering
United States Military Academy, West Point, NY 2014-2022
Lecturer, U.S. Army-Baylor University
Physical Therapy Sports Medicine Program Fort Sam Houston, TX 2014-2022
Adjunct Faculty, U.S. Army Health Readiness Center of Excellence
U.S. Army Medical Department Center and School Fort Sam Houston, TX 2017-2022

Employment

WellSpan Health 06/2023 to current Medical Director for Sports Medicine and Education
Penn State Health 09/2022 to 02/2023 Professor of Orthopaedic Surgery and Sports Medicine; Director of Orthopaedic Sports Medicine Fellowship; Team Physician for Penn State Athletics
Loyola University
Medical Center 04/2000 to 06/2002 Orthopaedic Research Coordinator
United States Army 05/1994 to 09/2022 US Army

Hospital Affiliations

Penn State Health 09/2022 to 02/2023 Milton S. Hershey Medical Center
Mount Nittany Medical Center
Geisinger Grays Wood
US Army 08/2012 to 09/2022
03/2015 to 03/2022
09/2012 to 09/2016 Keller Army Community Hospital
Eastern Orange Ambulatory Surgery Center
Blanchfield Army Community Hospital

Board Certification & Licensure

Sports Medicine Subspecialty Certificate (ABOS) 2016
American Board of Orthopaedic Surgeons (ABOS) 2014
Medical, Pennsylvania 2021-Present
Medical, Virginia 2007-Present
Engineer, New York 1994

Military Service/ Honors

Military Service

2014-2022 Chief, Orthopaedic Surgery and Sports Medicine, West Point, NY
2018-2019 Forward Deployed Orthopaedic Surgeon, Camp Arifjan, Kuwait
2013 Chief Orthopaedic Trauma Surgeon, Bastion Combat Support Hospital, Afghanistan
2012-2014 Staff Orthopaedic Surgeon, Blanchfield Army Community Hospital, Fort Campbell, KY
2011-2012 Fellow, West Point, New York
2006-2011 Resident, Fort Bliss, Texas
2001-2006 United States Army Reserve, Medical Corps (medical school)
1999-2000 Orthopaedic Research Coordinator, West Point, NY
1998-1999 Supervisor and Field Officer, Mounted Maneuver Battle Lab, Fort Knox, KY
1997-1998 Battalion Maintenance Officer, Camp Casey, Republic of Korea
1994-1997 Tank Platoon Leader and Executive Officer, Camp Casey, Republic of Korea
1990-1994 Cadet, United States Military Academy, West Point, NY

Military Honors

2019 AMEDD “A” Proficiency Designator for highest level of professional achievement
2019 Order of Military Medical Merit (O2M3)
2013 Bronze Star Medal
2013 Afghanistan Campaign Medal
2013 NATO Service Medal
2013 DANCON March Medal
2021 Armed Forces Service Medal
2018 Army Commendation Medal (8)
2009 Army Achievement Medal (7)
2003 Global War on Terrorism - Service & Expeditionary
2001 National Defense Service Ribbon (2)
1998 Overseas Ribbon (5)
1998 Meritorious Service Medal
1998 Korean Defense Service Medal
1997 Order of the Spur - 72nd Armor Regiment
1997 Manchu Award - 9th Infantry Regiment
1994 Army Service Ribbon

Professional Memberships And Societies

Candidate Member, American Shoulder and Elbow Surgeons (ASES), 2020
Fellow, American Orthopaedic Association (AOA), 2017
Fellow, American Academy of Orthopaedic Surgeons (AAOS), 2014
Arthroscopy Association of North American (AANA), 2012
American Orthopaedic Society Sports Medicine (AOSSM), 2012
Society of Military Orthopaedic Surgeons (SOMOS), 2006

Bibliography

Peer-Reviewed Published Articles:

Pinzur MS, Lio T, Posner MA. Treatment of Eichenholtz Stage I Charcot foot arthropathy with a weightbearing total contact cast. Foot Ankle Int. 2006 May; 27(5):324-9. PMID 16701052
Mountcastle S, Posner MA, Taylor DC. Gender differences in ACL injury Vary with activity: epidemiology of ACL injuries in a young, athletic population. Am J Sports Med. 2007 Oct; 35(10):1635-42. PMID 17519438
Taylor DC. Posner MA. Curl WW. Feagin JA. Isolated tears of the ACL: over 30-year follow-up of patients treated with arthrotomy and primary repair. Am J Sports Med. 2009 Jan;37(1):65-71. PMID 19029313
Banerjee R, Posner MA. Removal of a bent intramedullary nail with a post-traumatic sagittal plane deformity. J Trauma. 2009 May;66(5):1500-3. PMID 19430260
Belmont P, Goodman G, Zacchilli M, Posner M, Evans C, Owens B. Incidence and epidemiology of combat injuries sustained during the “surge” portion of Operation Iraqi Freedom by a U.S. Army brigade combat team. J Trauma. 2010 Jan;68(1):204-10. PMID 20065776
Nuzzo M, Posner M, Warme W, Medina F, Wicker R, Owens B. Pullout and compression strengths comparison of bioabsorbable implants for osteochondral lesions fixation. Am J Orthop. 2011 Apr;40(4):E61-3. PMID 21731933
Posner M, Wolf J, Belmont P, Owens B. Epidemiology of major league baseball injuries. Am J Sports Med. 2011 Aug;39(8):1676-80. PMID 21709023
Huh J, Posner MA, Bear RR, Banerjee R, Owens BD, Hsu JR. Performance of military tasks after clavicle plating. Mil Med. 2011 Aug;176(8):950-5. PMID 21882789
Roach C, Posner M, Owens B. Rotator cuff weakness is not a risk factor for first-time anterior glenohumeral instability. Orthop J Sports Med. 2013 May 22;1(1):1-6. PMID 26535230 Matthew Posner, MD
Posner M, Roach C, Svoboda S, Owens B, Floersheim B.. Comparison of pull-out strength for different bone block length in a porcine ACL model. Orthop J Sports Med. 2014 May 12;2(5):1-5. PMID 26535328
Baird G, Tompkins B, Posner M, Caskey P. Gait outcomes of patients with severe slipped capital femoral epiphysis following treatment by flexion-rotation osteotomy. J Pediatr Orthop. 2014 Oct- Nov;24(7):668-73. PMID 24705348
Tennent DJ, Donohue MA, Posner MA. Bone loss and glenohumeral instability. Sports Med Arthrosc. 2017 Sep;25(3):131-135. PMID: 28777215
Lynch AD, Chmielewski T, Bailey L, Stuart M, Cooper J, Coady C, Sgroi T, Owens J, Schenck R, Whelan D, Volker M, Irrgang J, STaR Trial Investigators. Current concepts and controversies in rehabilitation after surgery for multiple ligament knee injury. Curr Rev Musculoskeletal Med. 2017. PMID: 28779476
Crowell MS, Mason JS, Posner MA, Haley CA. Posterior cruciate ligament injuries associated with military survival swimming. Mil Med. 2017; Jul;182(7):e1924-8. PMID 28810991
DeFroda SF, Cameron KL, Posner MA, Kriz PK, Owens BD. Bone stress injuries in the military: Diagnosis, management, and prevention. Am J Orthop. 2017;46(4):176-183. PMID 28856344
Wolfe JA, Pickett AM, Van Blarcum GS, Owens BD, Giuliani J, Posner M, Dickens JF. The West Point Knot: A Sliding-Locking Arthroscopic Knot. Arthrosc Tech. 2018 Jun 4;7(7):e685-e689. PMID 30094137
Marsh N, Antosh I, Posner, MA. Tibial interference screw positioning relative to the bone plug in ACL reconstruction. Orthopaedics. 2018 Nov 1;41(6):337-342. PMID 30125040
Haley CA, Posner MA. Knee Injuries in the Military. J Knee Surg. 2019 Feb;32(2):117. PMID 30722081
Tennent DJ, Posner MA. The Military ACL. J Knee Surg. 2019 Feb;32(2) 118-122. PMID 30593083
Weiss T, Zhu P, White H, Posner MA, Wickiser JK, Washington M, Barnhill J. Latent Lyme Disease Resulting in Chronic Arthritis and Early Career Termination in a United States Army Officer. Mil Med. 2019 Mar 6. PMID: 30839071
Dickens JF, Slaven SE, Pickett AM, Posner MA, Campbell SE, Owens BD. Prospective evaluation of glenoid bone loss after first-time and recurrent anterior glenohumeral instability events. Am J Sports Med. 2019 Apr; 47(5):1082-1089. PMID: 30943084
Cameron KL, Tennent DJ, Sturdivant RX, Posner MA, Peck KY, Campbell SE, Westrick RB, Owens BD. Increased glenoid retroversion is associated with increased rotator cuff strength in the shoulder. Am J Sports Med. 2019 Jun 7. PMID: 31172807
Chan AG, Balazs GC, Haley CA, Posner MA, Owens BD. Pectoralis major ruptures in military academy athletes. Orthop J Sports Med. 2019 Jul 18;7(7). PMID: 31360734
Stemper BD, Shah AS, Houston MN, Posner MA, McCrea M, CARE Consortium Investigators. Repetitive head impact exposure in college football following an NCAA rule change to eliminate two-a- day preseason practice: a study from the NCAA-DoD CARE Consortium. Ann Biomed Eng. 2019 Oct;47(10):2073-2085. PMID: 31388849
Antosh I, Cameron KL, Posner MA, Owens BD. Likelihood of return to duty after meniscal allograft transplantation in an active-duty population. Clin Orthop Relat Res. 2019 Jul 31. PMID 31390341 Matthew Posner, MD
Gee SM, Tennent DJ, Cameron KL, Posner MA. Burden of meniscus injury in young and physically active populations. Clin Sports Med. 2020 Jan;39(1):13-27. PMID: 31767103
Mauntel TC, Tenan MS, Posner MA, Dickens JF, MOTION Investigators. The military orthopaedics tracking injuries and outcomes network: a solution for improving musculoskeletal care in the military health system. Mil Med. 2020 Nov 26. PMID: 33242087
Crowell MS, Brindle RA, Mason JS, Pitt W, Miller EM, Posner MA, Cameron KL, Goss DL. The effectiveness of battlefield acupuncture in addition to standard physical therapy treatment after shoulder surgery: a protocol for a randomized trial. Trials. 2020 Dec 3;21(1):995. PMID 33272311
Fredericks DR, Giuliani J, Brelin A, Goodlett R, Posner, MA, Dickens JF. The West Point View: An Intra-Articular 50-Yard Line View With Dynamic Arthroscopic Load Shift. Tech Orthop 2021;36: 115– 118.
Van Pelt KL, Caccese JB, Cameron KL, Houston MN, Posner MA, Broglio SP, Buckley TA. Detailed description of division 1 ice hockey concussions: findings from the NCAA and department of defense CARE consortium. J Sport Health Sci. 2021 Jan 14:S2095-2546. PMID: 33453430
Venrick CB, Miraldi SF, Peck KY, Posner MA, Houston MN, Cameron KL. Difference in lower extremity movement quality by level of sport specialization in cadets entering a United States service academy. Sports Health. 2021 Feb 22:1941738121994097. PMID: 33618560
Tenan MS, Galvin JW, Posner MA, Waltz RA, Dickens JF, MOTION Investigators. Generating the American shoulder and elbow surgeons score using multivariable predictive models and computer adaptive testing to reduce survey burden. AM J Sports Med. 2021 Mar; 49(3):764-772. PMID: 33523718
Tennent DJ, Slaven SE, Slabaugh MA, Cameron KL, Posner MA, Owens BD, Dickens JF. Recurrent instability and surgery are common after nonoperative treatment of posterior glenohumeral instability in division 1 FBS football players. Clin Orthop Relat Res. 2021 Apr 1;479(4):694-700. PMID: 33724975
Haley CA, Posner MA, Donohue, MD. Meniscus review. Sports Med Arthrosc Rev. 2021 Sep 1;29(3):153. PMID:
Eckard TG, Miraldi SFP, Peck KY, Posner MA, Svoboda SJ, DiStefano LJ, Padua DA, Marshall SW, Cameron KL. Association Between Automated Landing Error Scoring System Performance and Bone Stress Injury Risk in Military Trainees. J Athl Train. 2021 Aug 17. Epub ahead of print. PMID: 34404093. 36. Gee SM, Posner MA. Meniscus anatomy and basic science. Sports Med Arthrosc Rev. 2021 Sep 1;29(3):e18-e23. PMID: 34398117
Tenan MS, Posner MA, Dickens JF, MOTION Investigators. A high-sensitivity international knee documentation committee survey index from the PROMIS system: the next-generation patient- reported outcome for a knee injury population. AM J Sports Med. 2021 Nov;49(13):3561-3568 PMID: 34612705
Gee SM, Posner MA. Team medical coverage. Sports Med Arthrosc Rev. 2021 Dec 1;29(4):e182- e184. PMID: 34730114
Zhou K, Gee SM, Hansen JA, Posner MA. Heterotopic ossification after arthroscopic procedures: a scoping review of the literature. Orthop J Sports Med. 2022 Jan 18;10(1). PMID: 35071654 Matthew Posner, MD
Gee SM, Zhou L, Donohue MA, Posner MA. Subcortical backup fixation in ACL reconstruction. Arthrosc Tech. 2022 Jan 20;11(2):e1710e176. PMID. 35155109
Roach MH, Aderman MA, Gee S, Peck KY, Roach SP, Goss DL, Posner MA, Haley CA, Svoboda SJ, Cameron KL. Influence of graft type on lower extremity functional test performance and failure rate following anterior cruciate ligament reconstruction. Submitted to Sports Health, March 2022. Under Review.

Published Books or Book Chapters:

Posner M, Roach C, Owens B. Thoracic Outlet Syndrome and Vascular Injuries. Delee and Drez’s Orthopaedic Sports Medicine, 4th Edition. Editor: Miller M, Thompson S.
Posner M, Roach C, Pickett A, Owens B. Vascular Problems and Thoracic Outlet Syndrome. DeLee & Drez's Orthopaedic Sports Medicine, 5th Edition. Editor: Miller M, Thompson S.
MOTION Collaborative. Current Concepts Review: Patient-reported outcome in orthopaedics. J Bone Joint Surg Am. 2018 Mar;100:436-42.
Tennent DJ, Posner MA, Cameron KL. Epidemiology of shoulder instability: Incidence, risk factors and prevention of instability in the athlete. In: Shoulder Instability in the Athlete: Management and Surgical Techniques for Optimized Return to Play, Jonathan F. Dickens and Brett D. Owens (eds), Slack Inc. Published December 2020.
Posner MA, Haley CA, Donohue MA. Guest Editors for Sports Medicine and Arthroscopy Review: The Meniscus. Volume 29, Number 3, 2021.

Paper Presentations:

Taylor DC, Kragh JF, Uhorchak JM, Posner MA, Arciero RA: Update on Anterior Cruciate Injury Rate Differences Between Female and Male Cadets at the United States Military Academy. Presented at the 41st Annual Meeting of the Society of Military Orthopaedic Surgeons, Williamsburg, VA, 27 October, 1999
Taylor DC, Posner MA, Feagin JF: Thirty Year Follow-up of Isolated Anterior Cruciate Ligament Injuries. Presented at the 3rd Magellan Society Meeting, Gold Coast, Australia, 7 April 2000.
Taylor DC, Kragh JF, Uhorchak JM, Posner MA, Arciero RA: Update on Anterior Cruciate Injury Rate Differences Between Female and Male Cadets at the United States Military Academy. Presented at the 3rd Magellan Society Meeting, Gold Coast, Australia, 9 April 2000.
Taylor DC, Uhorchak JM, Kragh JF, Posner MA, Arciero RA: Anterior Cruciate Injury Rate Differences Between Female and Male Cadets at the United States Military Academy. Presented at the 113th Annual Meeting of the American Orthopaedic Association, Hot Springs, VA, 16 June 2000.
Posner MA, Feagin JF, Taylor DC: Thirty Year Follow-up of Isolated Anterior Cruciate Ligament Injuries. Presented at the ACL Study Group Meeting in Big Sky, Montana, 2002.
Posner MA, Taylor DC, Mountcastle S: Epidemiology of ACL Injuries at West Point, 1990-2003. Presented at the 46th Annual Meeting of the Society of Military Orthopaedic Surgeons, Vail, CO, 7 December, 2004.
Posner MA. Taylor DC. Curl WW. Feagin JF: Thirty Year Follow-up of Isolated Anterior Cruciate Ligament Injuries. Presented at the Society of Military Orthopaedic Surgeons, Las Vegas, NV. December 2008.
Arcaute K, Rodriguez D, Espalin D, Medina F, Posner M, Wicker R. Fused Deposition Modeling of Polymethylmethacrylate for Use in Patient Specific Structure. Presented at the Reconstructive International Solid Freeform Fabrication Symposium, Thompson Conference Center (TCC); University of Texas at Austin. August 2009.
Huh J, Hsu J, Posner M, Bear R, Banerjee R, Owens B. Early Performance of Military Tasks after Clavicle Plating. Presented at Society of Military Orthopaedic Surgeons, Honolulu, Hawaii. Decemeber 2009.
Posner M. Arcaute K, Rodriguez D, Espalin D, Medina F, Wicker R. Custom Patient- Specific Polymethylmethacrylate Implants for Use in Reconstructive Surgery. Presented at Society of Military Orthopaedic Surgeons, Honolulu, Hawaii. Decemeber 2009.
Posner M, McMulkin M, Baird G, Tompkins B, Caskey P. Gait Outcomes of Patients with Severe Slipped Capital Femoral Epiphysis following Treatment by Flexion-Rotation Osteotomy. Presented at Society of Military Orthopaedic Surgeons, Honolulu, Hawaii. December 2009.
Posner M, McMulkin M, Baird G, Tompkins B, Caskey P. Gait Outcomes of Patients with Severe Slipped Capital Femoral Epiphysis (SCFE) following Treatment by Flexion-Rotation Osteotomy. Presented at American Academy of Orthopaedic Surgeons, New Orleans, LA. March 2010.
Posner M, Wolf J, Belmont P, Owens B. Epidemiology of Major League Baseball Injuries. Presented at Mid-America Orthopaedic Association, Austin, Texas, April 2010.
Belmont P, Goodman G, Zacchilli M, Posner M, Evans C, Owens B. Incidence and Epidemiology of Combat Injuries Sustained during the “Surge” Portion of Operation Iraqi Freedom by a U.S. Army Brigade Combat Team. Presented at Mid-America Orthopaedic Association, Austin, Texas, April 2010.
Posner M, Wolf J, Belmont P, Owens B. Epidemiology of Major League Baseball Injuries. Presented at American Orthopaedic Society of Sports Medicine, Providence, Rhode Island, July 2010.
Posner M, et al. Failure Load of Patellar Tendon Grafts at the Femoral Side: A Comparison of Bone- Block Lengths. Presented at Society of Military Orthopaedic Surgeons; Naples, FL, December 2012.
Roach CJ, Posner MA, Cameron KL, Owens BD. Rotator cuff weakness is not a risk factor for first- time anterior glenohumeral instability. Presented at the American Orthopaedic Society for Sports Medicine Annual Meeting, Baltimore, MD, July, 2012.
Marsh N, Posner M. Interference Screw Position Relative To A Bone Patellar Tendon Bone Anterior Cruciate Ligament Graft In The Tibia. Presented at Society of Military Orthopaedic Surgeons; Olympic Valley, December 2016.
Patzkowski JC, Peck KY, Cameron KL, Garcia EJ, Haley CA, Posner M, Svoboda SJ, Owens BD. Multiple ligament injured knee injuries in young college athletes. Presented at the Society of Military Orthopaedic Surgeons Annual Meeting, Lake Tahoe, CA, December, 2016.
Slaven S, Dickens JF, Posner MA, Owens BD. Using pre-injury and post-injury MRI for quantification of glenoid bone loss after first-time and recurrent anterior glenohumeral instability. Presented at Society of Military Orthopaedic Surgeons Annual Meeting, Scottsdale, AZ, Dec 2017. Matthew Posner, MD
Irrgang J, STaR Trial Investigators. Mechanism, presentation, injury pattern and associated injuries for multiple ligament knee injuries: a multicenter study from the surgical timing and rehabilitation (STaR) trial for MLKIs network. Presented at American Academy of Orthopaedic Surgeons Annual Meeting, New Orlean, LA. Mar 2018.
Eckard TG, Miraldi SF, Peck KY, Posner MA, DiStefano LJ, Padua DA, Marshall SW, Cameron KL. Association between performance on the Landing Error Scoring System and bone stress injury risk in US Military Academy cadets. Presented at the National Athletic Trainers’ Association Annual Meeting and Clinical Symposium, New Orleans, LA, June 2018.
Cameron KL, Miraldi SF, Peck KY, Posner MA, Eckard TG, DiStefano LJ, Marshall SW, Padua DA. Difference in lower extremity injury risk during basic combat training between military recruits with high and low quality movement patterns. Presented at the National Athletic Trainers’ Association Annual Meeting and Clinical Symposium, New Orleans, LA, June 2018.
Dickens JF, Slaven SE, Cameron KL, Pickett AM, Posner MA, Campbell SE, Owens BD. Prospective evaluation of glenoid bone loss after first-time and recurrent anterior glenohumeral instability events. Presented at the American Orthopaedic Society for Sports Medicine Annual Meeting, San Diego, CA, July 2018.
Venrick CB, Miraldi SF, Peck KY, Posner MA, Houston MN, Cameron KL. Difference in lower extremity movement quality by level of sport specialization in cadets entering a United States service academy. Presented at Society of Military Orthopaedic Surgeons Annual Meeting, Keystone, CO, Dec 2018.
Hensley DT, Posner MA, Owens BD, Svoboda SJ, Cameron KL. Rates and risk factors for recurrent instability during 4-years of follow-up in military cadets with a history of shoulder stabilization surgery prior to enrollment. Presented at Society of Military Orthopaedic Surgeons Annual Meeting, Keystone, CO, Dec 2018.
Goodlett RP, Posner MA, Owens BD, Dicken JF, Cameron KL. The association between generalized point laxity upon entry to military service and the subsequent risk of glenohumeral instability. Presented at Society of Military Orthopaedic Surgeons Annual Meeting, Keystone, CO, Dec 2018.
Slaven SE, Posner MA, Owens BD, Cameron KL. Revision arthroscopic Bankart repair in the United States military. Presented at Society of Military Orthopaedic Surgeons Annual Meeting, Keystone, CO, Dec 2018.
Eckard TG, Miraldi SFP, Peck KY, Posner MA, DiStefano LJ, Padua DA, Marshall SW, Cameron KL. Association between performance on the Landing Error Scoring System and bone stress injury risk in US Military Academy Cadets. Presented at the American Physical Therapy Association Combined Sections Meeting, Washington, DC, January 2019,
Trump JR, Svoboda SJ, Riley JL, Marshall SW, Owens BD, Posner MA, Haley CA, Wickiser JK, Cameron KL. Acute changes in serum biomarkers of cartilage collagen turnover and joint metabolism following anterior cruciate ligament injury. Presented at the ACL Research Retreat VIII, Greensboro, NC, March, 2019.
Cameron KL, Miraldi SFP, Peck KY, Houston MN, Posner MA, DiStefano LJ, Padua DA, Eckard TG, Marshall SW. Association between movement quality upon entry to a US Service Academy and lower extremity injury during one year of follow-up. Accepted for presentation at the National Athletic Trainers' Association Annual Meeting and Clinical Symposia, Las Vegas, NV, June 2019. Matthew Posner, MD
Houston MN, Peck KY, Roach SP, Goss DL, Posner MA, Haley CA, Svoboda SJ, Cameron KL. Influence of graft type on lower extremity functional test performance after anterior cruciate ligament reconstruction. Accepted for presentation at the National Athletic Trainers’ Association Meeting & Clinical Symposium. Las Vegas, NV.
Miraldi SFP, Peck KY, Houston MN, Posner MA, DiStefano LJ, Padua DA, Marshall SW, Eckard TG, Cameron KL. Association between level of sport specialization upon entry to military service and lower extremity injury during one year of follow-up at a US Service Academy. Accepted for presentation at the National Athletic Trainers' Association Annual Meeting and Clinical Symposia Las Vegas, NV, June 2019.
Bookbinder HA, Houston MN, O'Connor KL, D'Lauro C, Brodeur RM, Cameron KL, Campbell DE, Kelly TF, Malvasi SM, McGinty GT, O'Donnell PG, Peck KY, Posner MA, Roach SP, Svoboda SJ, Pasquina PF, Broglio SP. Test-retest reliability of the BSI-18 in United States Service Academy cadets: Findings from the NCAA-DoD CARE Consortium. Accepted for presentation at the National Athletic Trainers' Association Annual Meeting and Clinical Symposia, Las Vegas, NV, June 2019.
White H, Nowick M, Tennent DJ, Posner MA. Mechanical testing of ACL reconstruction secondary fixation devices. Accepted for presentation at The International Mechanical Engineering Congress and Exposition (IMECE), Salt Lake City, UT, November 2019.
Tennent DJ, Nowick M, White, H, Posner MA. Mechanical testing of ACL reconstruction secondary fixation devices. Accepted for presentation at the Society for Military Orthopaedic Surgeons, Palm Beach, FL, December 2019.
Tennent DJ, Slaven SE, Slabaugh MA, Cameron KL, Posner MA, Owens BD, Dickens JF. Recurrent instability ad surgery are common after nonoperative treatment of posterior glenohumeral instability in division 1 FBS football players. Accepted for presentation at the Society for Military Orthopaedic Surgeons, Palm Beach, FL, December 2019.
Donohue MA, Posner MA, Cameron CL. Sport Specialization is associated with college sports ankle injury. Accepted for presentation at the Society for Military Orthopaedic Surgeons, Palm Beach, FL, December 2019.
Yow, B, Donohue MA, Posner MA, Cameron CL. Glenohumeral bone loss after anterior glenohumeral instability. Accepted for presentation at the Society for Military Orthopaedic Surgeons, Palm Beach, FL, December 2019.
Slaven S, Posner MA, Cameron CL. In-season return to play following posterior shoulder instability in NCAA division 1 football players. Accepted for presentation at the Society for Military Orthopaedic Surgeons, Palm Beach, FL, December 2019.
Cameron KL, Miraldi SFP, Peck KY, Posner, MA, Houston MN, Svoboda SJ, DiStefano LJ, Padua DA, Marshall SW. Prior sport specialization is associated with lower extremity stress fractures in female service academy cadets. Accepted for presentation at the Society for Military Orthopaedic Surgeons, Palm Beach, FL, December 2019.
Donohue MA, Posner MA ,Cameron CL. Sport Specialization is associated with the risk of ankle sprain in NCAA and non-NCAA athletes during their first year in college. Accepted for presentation at AAOS, Orlando, FL, Mar 2020.
Cameron KL, Miraldi SFP, Peck KY, Posner, MA, Houston MN, Svoboda SJ, DiStefano LJ, Padua DA, Marshall SW. Prior sport specialization is associated with lower extremity stress fractures in female service academy cadets. Accepted for presentation at the National Athletic Trainers' Association Annual Meeting and Clinical Symposia, Atlanta, GA, June 2020. Matthew Posner, MD
Zhou, L Posner MA, Cameron CL. Glenohumeral instability and concomitant rotator cuff injury: an epidemiological and case-control analysis in military cadets. Accepted for presentation at the Society for Military Orthopaedic Surgeons, Virtual conference, December 2020.
Yow BG, Aburish ZH, Tennent DJ, LeClere LE, Rue JP, Owens BD, Donohue MA, Cameron KL, Posner MA, Dicken JF. Beach Chair Versus Lateral Decubitus Positioning For Primary Arthroscopic Anterior Shoulder Stabilization: A Consecutive Series Of 641 Shoulders. Accepted for presentation at the Maryland Orthopaedic Association, Annapolis, MD, May 2021. 46. Bedrin MD, Owens BD, Slaven SE, LeClere LE, Donohue MA, Tennent DJ, Cameron KL, Posner MA, Dickens JF. Prospective Evaluation of Posterior Glenoid Bone Loss after First-time and Recurrent Posterior Glenohumeral Instability Events. Accepted for presentation at the AOSSM-AANA Combined 2021 Annual Meeting, Nashville, TN, July 2021.
Yow BG, Aburish ZH, Tennent DJ, LeClere LE, Rue JP, Owens BD, Donohue MA, Cameron KL, Posner MA, Dickens JF. Beach Chair Versus Lateral Decubitus Positioning For Primary Arthroscopic Anterior Shoulder Stabilization: A Consecutive Series Of 641 Shoulders. Accepted for presentation at the AOSSM-AANA Combined 2021 Annual Meeting, Nashville, TN, July 2021.
Yow BG, Aburish ZH, Tennent DJ, LeClere LE, Rue JP, Owens BD, Donohue MA, Cameron KL, Posner MA, Dickens JF. Beach Chair Versus Lateral Decubitus Positioning For Primary Arthroscopic Anterior Shoulder Stabilization: A Consecutive Series Of 641 Shoulders. Accepted for presentation at the Southern Orthopaedic Association, Isle of Palms, SC, July 2021. *Lyle Cain, MD donor award
Yow BG, Aburish ZH, Tennent DJ, LeClere LE, Rue JP, Owens BD, Donohue MA, Cameron KL, Posner MA, Dickens JF. Beach Chair Versus Lateral Decubitus Positioning For Primary Arthroscopic Anterior Shoulder Stabilization: A Consecutive Series Of 641 Shoulders. Accepted for presentation at the Pennsylvania Orthopaedic Society, Hershey PA, October 2021.
Bedrin MD, Owens BD, Slaven SE, LeClere LE, Donohue MA, Tennent DJ, Cameron KL, Posner MA, Dickens JF. Prospective Evaluation of Posterior Glenoid Bone Loss after First-time and Recurrent Posterior Glenohumeral Instability Events. Accepted for presentation at the Pennsylvania Orthopaedic Society, Hershey PA, October 2021.
Nowick M, Tennent DJ, Posner MA. Aeromedical evacuation skeletal traction. Accepted for presentation at The International Mechanical Engineering Congress and Exposition (IMECE), Virtual conference, November 2021.
Yow BG, Aburish ZH, Tennent DJ, LeClere LE, Rue JP, Owens BD, Donohue MA, Cameron KL, Posner MA, Dickens JF. Beach Chair Versus Lateral Decubitus Positioning For Primary Arthroscopic Anterior Shoulder Stabilization: A Consecutive Series Of 641 Shoulders. Accepted for presentation at the Society for Military Orthopaedic Surgeons, Squaw Valley CA, December 2021.
Kinnison RE, Colantonio D, Le AH, Posner MA, Nowicki MA, Gee SM. Novel Intramedullary Suture Button Technique has Similar Maximal Strength to Bicortical Post for Secondary ACL Graft Fixation. Accepted for presentation at the Society for Military Orthopaedic Surgeons, Squaw Valley CA, December 2021.
Bedrin MD, Owens BD, Slaven SE, LeClere LE, Donohue MA, Tennent DJ, Cameron KL, Posner MA, Dickens JF. Prospective Evaluation of Posterior Glenoid Bone Loss after First-time and Recurrent Posterior Glenohumeral Instability Events. Accepted for presentation at the Society for Military Orthopaedic Surgeons, Squaw Valley CA, December 2021.
Rodriguez M, Houston MN, Posner MA, Donohue MA, Haley CA, Svoboda SJ, Owens BD, Cameron KL. Risk of ACL Tear in Previously Reconstructed Military Academy Cadets. Accepted for presentation at the Society for Military Orthopaedic Surgeons, Squaw Valley CA, December 2021.
Corey S, Cameron KL, Davi S, Posner MA, Donohue MA, Slabaugh MA, Robbins, RJ, LeClere LE, Dickens JF. Normative Values for Patient Reported Outcome Measures of the Shoulder. Accepted for presentation at the Society for Military Orthopaedic Surgeons, Squaw Valley CA, December 2021.
Corey S, Cameron KL, Davi S, Posner MA, Donohue MA, Slabaugh MA, Robbins, RJ, LeClere LE, Dickens JF. Correlation between Resiliency and Patient Reported Outcome Measures. Accepted for presentation at the Society for Military Orthopaedic Surgeons, Squaw Valley CA, December 2021.
Yow B, Posner MP, LeCLere L, Donohue MD. Beach Chair Versus Lateral Decubitus Positioning for Primary Arthroscopic Anterior Shoulder Stabilization: A consecutive series of 641 shoulders. Accepted for presentation at AOSSM/AANA 2021, SOMOS 2021, AAOS 2021.
Roach MH, Aderman MA, Posner MA, Svoboda SJ, Cameron KLRisk of Upper Extremity Musculoskeletal Injury Within the First Year Following Concussion. Accepted for presentation at NATA Clinical Symposia & AT Expo in Philadelphia, PA, 2022.

Poster Presentations

Hopkinson WJ, Harrington M, Chang E, Posner MA: Hip Dislocation after the Revision of the Acetabular Component Only. Presented at the 2001 American Orthopaedic Association Residents Conference, Hershey, PA, 1 April 2001.
Taylor DC, Posner MA, Kragh JF, Uhorchak JM, Arciero RA: Anterior Cruciate Injury Rate Differences Between Female and Male Cadets at the United States Military Academy. Presented at the 2001 International Society of Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine Congress, Montreux, Switzerland, 14-18 May, 2001.
Hopkinson WJ, Harrington M, Chang E, Posner MA: Hip Dislocation after the Revision of the Acetabular Component Only. Presented at the 114th Annual Meeting of the American Orthopaedic Association, Palm Beach Florida, 13 June 2001.
Nuzzo M. Posner MA. Warme W. Comparison of Pullout and Compression Strengths of Bioabsorbable Nails to Bioabsorbable Screws in the Fixation of Osteochondral Dissecans Lesions Using a Synthetic Model. Presented at Society of Military Orthopaedic Surgeons, Las Vegas, NV. December 2008.
Fowler J, Posner M, Owens B. Abdominal Compartment Syndrome following Hip Arthroscopy: A Case Report. Presented at Society of Military Orthopaedic Surgeons, Las Vegas, NV. December 2008.
Posner M, Wolf J, Belmont P, Owens B. Epidemiology of Major League Baseball Injuries. Presented at Society of Military Orthopaedic Surgeons, Honolulu, Hawaii. December 2009.
Posner M, Wolf J, Belmont P, Owens B. Epidemiology of Major League Baseball Injuries. Presented at American Academy of Orthopaedic Surgeons, New Orleans, LA. March 2010.
Roach C, Cameron, K, Posner, M, Owens, B. Rotator Cuff Weakness is Not a Risk Factor for First- time Anterior Glenohumeral Instability. Presented at American Orthopaedic Society of Sports Medicine. Baltimore, MD. July 2012.
Posner M, et al. Failure Load of Patellar Tendon Grafts at the Femoral Side: A Comparison of Bone- Block Lengths. e-Poster presented at Arthroscopy Association of North America; SanAntonio,TX 2013.
Posner M, et al. Comparison of Back-up Fixation on Tibial Side for ACL Reconstruction. Presented at SOMOS, St Petersburg, FL, 2015.
Posner, M, et al. Failure Load of Patellar Tendon Grafts at the Tibial Side: A Comparison of Bone- Block Lengths. Presented at SOMOS, St Petersburg, FL, 2015.
Houston MN, Peck KY, Posner MA, Cameron KL. Influence of graft type on lower extremity functional test performance after anterior cruciate ligament reconstruction. Presented at the National Athletic Trainers’ Association Annual Meeting and Clinical Symposium, Las Vegas, NV, June 2019.
Bookbinder HA, Houston MN, Peck KY, Posner MA, Cameron KL. Test-retest reliability of the BSI-18 in United States Military Academy cadets: findings from the NCAA-DOD Care Consortium. Presented at the National Athletic Trainers’ Association Annual Meeting and Clinical Symposium, Las Vegas, NV, June 2019.
Crowell MS, Brindle RA, Mason JS, Pitt W, Miller EM, Posner MA, Cameron KL, Goss DL. The effectiveness of battlefield acupuncture in addition to standard physical therapy treatment after shoulder surgery: a protocol for a randomized trial. Presented at Military Health System Research Symposium, Kissimmee FL, Aug 2020

Publications & Presentations

Prospective Evaluation of Posterior Glenoid Bone Loss After First-time and Recurrent Posterior Glenohumeral Instability Events.
Michael D Bedrin, Brett D Owens, Sean E Slaven, Lance E LeClere, Michael A Donohue, David J Tennent, Ronald P Goodlett, Kenneth L Cameron, Matthew A Posner, Jonathan F...> ;The American Journal of Sports Medicine. 2022 Sep 1
The Burden of Meniscus Injury in Young and Physically Active Populations.
Gee SM, Tennent DJ, Cameron KL, Posner MA. Clin Sports Med. 2020 Jan;39(1):13-27
Team Medical Coverage.
Shawn M. Gee, Matthew A. Posner> ;Sports Medicine and Arthroscopy Review. 2021 Dec 1

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Dr. Posner