November Featured Author

Raffy Mirzayan, MD

Co-Director of Sports Medicine
Director of Cartilage Repair and Restoration
Director of Resident Education
Department of Orthopaedic Surgery, Kaiser Permanente, Southern California
Clinical Professor of Orthopaedic Surgery
Keck School of Medicine, University of Southern California
Baldwin Park, California

From the November issue: Surgical Treatment of Distal Biceps Tendon Ruptures: An Analysis of Complications in 784 Surgical Repairs

Podcast: Listen to Dr. Mirzayan discuss his article in the November issue.


Dr. Raffy Mirzayan attained a Bachelor of Science degree from the University of California, Los Angeles with Departmental Honors in Kinesiology. He then graduated from the University of Southern California School of Medicine with Alpha Omega Alpha medical honors. He completed his residency in orthopaedic surgery at the Los Angeles County + University of Southern California Medical Center in Los Angeles, CA, where he was Chief Resident. He then completed a sports medicine fellowship at the prestigious Kerlan-Jobe Orthopaedic Clinic in Los Angeles.  Dr. Mirzayan is the Co-Director of Sports Medicine, Director of Cartilage Repair and Restoration, and Director of Resident Education at Kaiser Permanente, Baldwin Park, CA.  He also has a faculty appointment as Clinical Professor of Orthopaedic Surgery at the University of Southern California Keck School of Medicine.

Dr. Mirzayan has published three books in the field of orthopaedic surgery and sports medicine.  He is Co-Director of the ICJR Shoulder Course held annually in Las Vegas.

He has authored numerous peer-reviewed publications and book chapters. He has received several awards including the AOA-Zimmer Award, Vernon P. Thompson Award and DePuy Research Award.  He has presented his work at various national and international meetings.  He serves on several committees of local and national orthopaedic societies.  His orthopaedic interests include athletic injuries of the knee, shoulder, and elbow, including ligament repair and reconstruction, arthroscopy, and cartilage restoration and repair.

Selected Other Published Work in AJSM

Conroy C, Sethi P, Macken C, Wei D, Kowalsky M, Mirzayan R, Pauzenberger L, Dyrna F, Obopilwe E, Mazzocca AD. Augmentation of a Distal Biceps Repair with an Acellular Dermal Graft Restores Native Biomechanical Properties in a Tendon Deficient Model. Am J Sports Med. 2017 Jul; 45(9): 2028-2033; PMID: 28419811

Spragg LS, Chen J, Mirzayan R, Love RM, Maletis GB. The Effect of Autologous Hamstring Diameter on the Likelihood for Revision Anterior Cruciate Ligament Reconstruction. Amer J Sports Med. 2016; 44(6): 1475-81; PMID 27002103


October Featured Author

James L. Cook, DVM, PhD, OTSC

William & Kathryn Allen Distinguished Chair in Orthopaedic Surgery
Director, Thompson Laboratory for Regenerative Orthopaedics & Mizzou BioJoint Center
Chief, Orthopaedic Research Division
University of Missouri
Missouri Orthopaedic Institute
Columbia, Missouri

From the October issue: Effects of Autogenous Bone Marrow Aspirate Concentrate on Radiographic Integration of Femoral Condylar Osteochondral Allografts

Podcast: Listen to Dr. Cook discuss his article in the October issue.


After receiving his B.S. degree from Florida State University and competing for 5 years as a professional waterskier, Dr. James (Jimi) Cook completed his DVM in 1994 and PhD in 1998.  In 1999, he founded the Comparative Orthopaedic Laboratory at the University of Missouri, a multi-disciplinary team of physicians, veterinarians, engineers, and basic scientists dedicated to translational orthopaedic research, which has now been endowed and moved into its own 12,000 sq ft facility as the Thompson Laboratory for Regenerative Orthopaedics.  He has over 200 peer-reviewed publications, over $20 million in research funding, received numerous awards including America’s Best Veterinarian (2007), holds 18 patents and has seen 4 biomedical devices through FDA approval to human clinical trials.  He is currently Director of the Mizzou BioJoint Center, Director of The Thompson Laboratory for Regenerative Orthopaedics and the William and Kathryn Allen Distinguished Chair in Orthopaedic Surgery, and serves as Chief of the Division of Research for the Department of Orthopaedics at the University Hospital’s Missouri Orthopaedic Institute. He is also co-founder of Be The Change Volunteers ­a NGO dedicated to building schools in remote villages in the developing world whose teams have built 39 educational facilities in 16 countries, providing educational opportunities to more than 6,700 students.

Selected Other Published Work in AJSM

Stoker AM, Stannard JP, Kuroki K, Bozynski CC, Pfeiffer FM and Cook JL.  Validation of the Missouri Osteochondral Allograft Preservation System for the maintenance of osteochondral allograft quality during prolonged storage.Am J Sports Med 2017.

Cook JL, Stannard JP, Stoker AM, Bozynski CC, Kuroki K, Cook CR, Pfeiffer FM.  Importance of donor chondrocyte viability for osteochondral grafts. Am J Sports Med 2016; 44:1260-1268.

Fortier LA, Chapman HS, Pownder SL, Roller BL, Cross JA, Cook JL, Cole BJ. BioCartilage improves cartilage repair compared with microfracture alone in an equine model of full-thickness cartilage loss. Am J Sports Med 2016; 44:2366-2374.

Garrity JT, Stoker AM, Sims HJ, and Cook JL. Improved osteochondral allograft preservation using serum-free media at body temperature. Am J Sports Med 2012; 40:2542-2548.

Bian L, Stoker AM, Marberry KM, Ateshian GA, Cook JL, and Hung CT.  Effects of dexamethasone on the functional properties of cartilage explants during long-term culture. Am J Sports Med 2010; 38:78-85.

Cook JL, Fox DB. A novel bioabsorbable conduit augments healing of avascular meniscal tears in a dog model. Am J Sports Med 2007; 35:1877-1887.

Cook JL, Fox DB, Malaviya P, Tomlinson JL, Kuroki K, Cook CR, Kladakis S. Long-term evaluation of treatment of large meniscal defects using small intestinal submucosa in a dog model. Am J Sports Med 2006; 34:32-42.

Cook JL, Tomlinson JL, Kreeger JM, Cook CR. Induction of meniscal regeneration in dogs using a novel biomaterial. Am J Sports Med 1999; 27(5):658-665.

September Featured Author

Benjamin G. Domb, MD

Medical Director
American Hip Institute

From the September issue: Minimum 2-Year Outcomes of Hip Arthroscopic Surgery in Patients With Acetabular Overcoverage and Profunda Acetabulae Compared With Matched Controls With Normal Acetabular Coverage

Podcast: Listen to Dr. Domb discuss his article in the September issue.


Dr. Domb is a nationally recognized orthopaedic surgeon specializing in sports medicine and arthroscopic surgery of the hip. A noted pioneer in advanced new techniques in hip arthroscopy, he delivers innovative treatments for patients with hip injuries such as impingement and labral tears.

Dr. Domb has treated numerous professional athletes and served as team physician for professional sports teams. He takes pride in caring for each patient like a professional athlete, using the same meticulous approach to restore them to top-level performance in sports, work and day-to-day life.

As the author of more than 150 publications in the field of sports medicine, arthroscopic surgery and hip injuries, Dr. Domb lectures and teaches courses regularly for orthopaedic surgeons around the country.

Selected Other Published Work in AJSM

Arthroscopic Labral Base Repair in the Hip: 5-Year Minimum Clinical Outcomes. Domb BG, Yuen LC, Ortiz-Declet V, Litrenta J, Perets I, Chen AW. Am J Sports Med. 2017 Jul 1:363546517713731. doi: 10.1177/0363546517713731. [Epub ahead of print]

Do Ligamentum Teres Tears Portend Inferior Outcomes in Patients With Borderline Dysplasia Undergoing Hip Arthroscopic Surgery? A Match-Controlled Study With a Minimum 2-Year Follow-up. Chaharbakhshi EO, Perets I, Ashberg L, Mu B, Lenkeit C, Domb BG. Am J Sports Med. 2017 Jun 1:363546517710008. doi: 10.1177/0363546517710008. [Epub ahead of print]

Outcomes of Hip Arthroscopic Surgery in Patients With Tönnis Grade 1 Osteoarthritis at a Minimum 5-Year Follow-up: A Matched-Pair Comparison With a Tönnis Grade 0 Control Group. Domb BG, Chaharbakhshi EO, Rybalko D, Close MR, Litrenta J, Perets I. Am J Sports Med. 2017 Aug;45(10):2294-2302. doi: 10.1177/0363546517706957. Epub 2017 Jun 13.

Acetabular Chondral Lesions in Hip Arthroscopy: Relationships Between Grade, Topography, and Demographics. Suarez-Ahedo C, Gui C, Rabe SM, Chandrasekaran S, Lodhia P, Domb BG. Am J Sports Med. 2017 Jun 1:363546517708192. doi: 10.1177/0363546517708192. [Epub ahead of print]

Clinical Outcomes of Hip Arthroscopic Surgery: A Prospective Survival Analysis of Primary and Revision Surgeries in a Large Mixed Cohort. Domb BG, Gui C, Hutchinson MR, Nho SJ, Terry MA, Lodhia P. Am J Sports Med. 2016 Oct;44(10):2505-2517. Epub 2016 Sep 2.

Clinical Outcomes of Hip Arthroscopy in Radiographically Diagnosed Retroverted Acetabula. Hartigan DE, Perets I, Walsh JP, Close MR, Domb BG. Am J Sports Med. 2016 Oct;44(10):2531-2536. Epub 2016 Jul 20.

The Economic Impact of Acetabular Labral Tears: A Cost-effectiveness Analysis Comparing Hip Arthroscopic Surgery and Structured Rehabilitation Alone in Patients Without Osteoarthritis. Lodhia P, Gui C, Chandrasekaran S, Suarez-Ahedo C, Dirschl DR, Domb BG. Am J Sports Med. 2016 Jul;44(7):1771-80. doi: 10.1177/0363546516645532. Epub 2016 May 17.

Microfracture in the Hip: Results of a Matched-Cohort Controlled Study With 2-Year Follow-up. Domb BG, Gupta A, Dunne KF, Gui C, Chandrasekaran S, Lodhia P. Am J Sports Med. 2015 Aug;43(8):1865-74. doi: 10.1177/0363546515588174. Epub 2015 Jun 18.

Does Primary Hip Arthroscopy Result in Improved Clinical Outcomes?: 2-Year Clinical Follow-up on a Mixed Group of 738 Consecutive Primary Hip Arthroscopies Performed at a High-Volume Referral Center. Gupta A, Redmond JM, Stake CE, Dunne KF, Domb BG. Am J Sports Med. 2016 Jan;44(1):74-82. doi: 10.1177/0363546514562563. Epub 2015 Jan 28.

Does obesity affect outcomes in hip arthroscopy? A matched-pair controlled study with minimum 2-year follow-up. Gupta A, Redmond JM, Hammarstedt JE, Stake CE, Domb BG. Am J Sports Med. 2015 Apr;43(4):965-71. doi: 10.1177/0363546514565089. Epub 2015 Jan 23.

Arthroscopic acetabuloplasty and labral refixation without labral detachment. Redmond JM, El Bitar YF, Gupta A, Stake CE, Vemula SP, Domb BG. Am J Sports Med. 2015 Jan;43(1):105-12. doi: 10.1177/0363546514555330. Epub 2014 Nov 3. Erratum in: Am J Sports Med. 2015 Feb;43(2):NP1. Vemula, S Pavan [added].

Does the femoral cam lesion regrow after osteoplasty for femoroacetabular impingement? Two-year follow-up. Gupta A, Redmond JM, Stake CE, Finch NA, Dunne KF, Domb BG. Am J Sports Med. 2014 Sep;42(9):2149-55. doi: 10.1177/0363546514541782. Epub 2014 Jul 23.

August Featured Author

Robert F. LaPrade, MD, PhD

Complex Knee and Sports Medicine Surgery
The Steadman Clinic
Chief Medical Officer, Steadman Philippon Research Institute
Co-Director, Sports Medicine Fellowship Program
Director, International Scholar Program
Adjunct Professor, Orthopaedic Surgery, University of Minnesota
Affiliate Faculty, College of Veterinary Medicine and Biomedical Sciences, Colorado State University

From the August issue: Two-Tunnel Transtibial Repair of Radial Meniscus Tears Produces Comparable Results to Inside-Out Repair of Vertical Meniscus Tears

Podcast: Listen to Dr. LaPrade discuss his article in the August issue.


Robert F. LaPrade MD, PhD is a complex orthopaedic knee and sports medicine surgeon at The Steadman Clinic in Vail, Colorado. He serves as Chief Medical Officer and Co-director of the Sports Medicine Fellowship Program at the Steadman Philippon Research Institute. He is also the Sports Medicine Committee past-chair for the International Society for Arthroscopy, Knee Surgery, and Orthopaedic Sports Medicine (ISAKOS) and is on the Board of Directors of the Vail Valley Surgery Center. He is also on the Editorial Board of the American Journal of Sports Medicine (AJSM) and Knee Surgery, Sports Traumatology, Arthroscopy (KSSTA). Dr. LaPrade is known as one of the few specialists with extended expertise in the three main areas of medicine: expert clinical expertise, a lauded researcher, and an outstanding educator. Dr. LaPrade has treated athletes at all levels, including Olympic, professional (football, soccer, basketball, ice hockey, baseball, lacrosse, etc.), semi-professional and intercollegiate athletes and has returned many athletes back to full participation both after treating either their new injuries or previous failed knee surgeries. Dr. LaPrade has special expertise in treating posterolateral knee injuries, PCL tears, knee dislocations, revision ACL reconstructions, meniscal transplants, MCL injuries, knee osteotomies, fresh osteoarticular allografts, articular cartilage resurfacing procedures, complex patellofemoral instability, and other difficult combined and revision injuries. He has received many awards for his research, including the OREF Clinical Research Award, considered a Nobel Prize of Orthopaedics and his research team has been awarded the AOSSM Excellence in Research Award three times since 2009, The Achilles Research Award from ISAKOS two times, and the Cabaud Award by the AOSSM. In addition, Dr. LaPrade has also been Course Chair for courses sponsored by the AAOS, AOSSM, AANA, ISAKOS and ORS, including courses on Arthroscopic Skill Development, Biologics, Complex Sports Injuries, Knee Osteotomies, and Early Sports Specialization.

Selected Other Published Work in AJSM

A Comprehensive Reanalysis of the Distal Iliotibial Band: Quantitative Anatomy, Radiographic Markers, and Biomechanical Properties. Godin JA, Chahla J, Moatshe G, Kruckeberg BM, Muckenhirn KJ, Vap AR, Geeslin AG, LaPrade RFAm J Sports Med. 2017 Jun 1:363546517707961. doi: 10.1177/0363546517707961. [Epub ahead of print]

Two-Tunnel Transtibial Repair of Radial Meniscus Tears Produces Comparable Results to Inside-Out Repair of Vertical Meniscus Tears. Cinque ME, Geeslin AG, Chahla J, Dornan GJ, LaPrade RFAm J Sports Med. 2017 May 1:363546517704425. doi: 10.1177/0363546517704425. [Epub ahead of print]

Incidence and Detection of Meniscal Ramp Lesions on Magnetic Resonance Imaging in Patients With Anterior Cruciate Ligament Reconstruction. DePhillipo NN, Cinque ME, Chahla J, Geeslin AG, Engebretsen L, LaPrade RFAm J Sports Med. 2017 May 1:363546517704426. doi: 10.1177/0363546517704426. [Epub ahead of print]

Current Concepts of the Anterolateral Ligament of the Knee: Anatomy, Biomechanics, and Reconstruction. Kraeutler MJ, Welton KL, Chahla J, LaPrade RF, McCarty EC. Am J Sports Med. 2017 Apr 1:363546517701920. doi: 10.1177/0363546517701920. [Epub ahead of print]

Outcomes After 1-Stage Versus 2-Stage Revision Anterior Cruciate Ligament Reconstruction. Mitchell JJ, Chahla J, Dean CS, Cinque M, Matheny LM, LaPrade RFAm J Sports Med. 2017 Jul;45(8):1790-1798. doi: 10.1177/0363546517698684. Epub 2017 Apr 18.

Biomechanical Assessment of Hip Capsular Repair and Reconstruction Procedures Using a 6 Degrees of Freedom Robotic System. Philippon MJ, Trindade CAC, Goldsmith MT, Rasmussen MT, Saroki AJ, Løken S, LaPrade RFAm J Sports Med. 2017 Jul;45(8):1745-1754. doi: 10.1177/0363546517697956. Epub 2017 Apr 3.

Outcomes of Inside-out Meniscal Repair in the Setting of Multiligament Reconstruction in the Knee. Chahla J, Dean CS, Matheny LM, Mitchell JJ, Cinque ME, LaPrade RFAm J Sports Med. 2017 Mar 1:363546517698944. doi: 10.1177/0363546517698944. [Epub ahead of print]

The Proximal Tibiofibular Joint: A Biomechanical Analysis of the Anterior and Posterior Ligamentous Complexes. Marchetti DC, Moatshe G, Phelps BM, Dahl KD, Ferrari MB, Chahla J, Turnbull TL, LaPrade RFAm J Sports Med. 2017 Jul;45(8):1888-1892. doi: 10.1177/0363546517697288. Epub 2017 Mar 24.

Outcomes After Biologically Augmented Isolated Meniscal Repair With Marrow Venting Are Comparable With Those After Meniscal Repair With Concomitant Anterior Cruciate Ligament Reconstruction. Dean CS, Chahla J, Matheny LM, Mitchell JJ, LaPrade RFAm J Sports Med. 2017 May;45(6):1341-1348. doi: 10.1177/0363546516686968. Epub 2017 Feb 1.

Posterior Meniscal Root Repairs: Outcomes of an Anatomic Transtibial Pull-Out Technique. LaPrade RF, Matheny LM, Moulton SG, James EW, Dean CS. Am J Sports Med. 2017 Mar;45(4):884-891. doi: 10.1177/0363546516673996. Epub 2016 Dec 5.

Multiple Ligament Reconstruction Femoral Tunnels: Intertunnel Relationships and Guidelines to Avoid Convergence. Moatshe G, Brady AW, Slette EL, Chahla J, Turnbull TL, Engebretsen L, LaPrade RFAm J Sports Med. 2017 Mar;45(3):563-569. doi: 10.1177/0363546516673616. Epub 2016 Nov 24.

Overlap Between Anterior Cruciate Ligament and Anterolateral Meniscal Root Insertions: A Scanning Electron Microscopy Study. Steineman BD, Moulton SG, Haut Donahue TL, Fontboté CA, LaPrade CM, Cram TR, Dean CS, LaPrade RFAm J Sports Med. 2017 Feb;45(2):362-368. doi: 10.1177/0363546516666817. Epub 2016 Oct 13.

Anatomic Anterolateral Ligament Reconstruction Leads to Overconstraint at Any Fixation Angle: Response. Schon JM, Moatshe G, Brady AW, Cruz RS, Chahla J, Dornan GJ, Turnbull TL, Engebretsen L, LaPrade RFAm J Sports Med. 2016 Oct;44(10):NP58-NP59.

Hip Capsular Closure: A Biomechanical Analysis of Failure Torque. Chahla J, Mikula JD, Schon JM, Dean CS, Dahl KD, Menge TJ, Soares E, Turnbull TL, LaPrade RF, Philippon MJ. Am J Sports Med. 2017 Feb;45(2):434-439. doi: 10.1177/0363546516666353. Epub 2016 Oct 1.

International Meniscus Reconstruction Experts Forum (IMREF) 2015 Consensus Statement on the Practice of Meniscal Allograft Transplantation. Getgood A, LaPrade RF, Verdonk P, Gersoff W, Cole B, Spalding T; IMREF Group. Am J Sports Med. 2016 Aug 25. pii: 0363546516660064. [Epub ahead of print]

Intertunnel Relationships in the Tibia During Reconstruction of Multiple Knee Ligaments: How to Avoid Tunnel Convergence. Moatshe G, Slette EL, Engebretsen L, LaPrade RFAm J Sports Med. 2016 Nov;44(11):2864-2869. Epub 2016 Jul 28.

Anatomic Anterolateral Ligament Reconstruction of the Knee Leads to Overconstraint at Any Fixation Angle. Schon JM, Moatshe G, Brady AW, Serra Cruz R, Chahla J, Dornan GJ, Turnbull TL, Engebretsen L, LaPrade RFAm J Sports Med. 2016 Oct;44(10):2546-2556. Epub 2016 Jul 12.

In Vivo Length Changes of the Anterolateral Ligament and Related Extra-articular Reconstructions. Van de Velde SK, Kernkamp WA, Hosseini A, LaPrade RF, van Arkel ER, Li G. Am J Sports Med. 2016 Oct;44(10):2557-2562. Epub 2016 Jun 23.

Biologic Treatments for Sports Injuries II Think Tank-Current Concepts, Future Research, and Barriers to Advancement, Part 1: Biologics Overview, Ligament Injury, Tendinopathy. LaPrade RF, Geeslin AG, Murray IR, Musahl V, Zlotnicki JP, Petrigliano F, Mann BJ. Am J Sports Med. 2016 Dec;44(12):3270-3283. Epub 2016 Mar 29.

An In Vitro Robotic Assessment of the Anterolateral Ligament, Part 2: Anterolateral Ligament Reconstruction Combined With Anterior Cruciate Ligament Reconstruction. Nitri M, Rasmussen MT, Williams BT, Moulton SG, Cruz RS, Dornan GJ, Goldsmith MT, LaPrade RFAm J Sports Med. 2016 Mar;44(3):593-601. doi: 10.1177/0363546515620183. Epub 2016 Feb 1.

July Featured Author

Glenn S. Fleisig, PhD
Research Director, American Sports Medicine Institute
Birmingham, Alabama

From the July issue: Return to Play and Decreased Performance After Anterior Cruciate Ligament Reconstruction in National Football League Defensive Players

Podcast: Listen to Dr. Fleisig discuss his article in the July issue.


Dr. Glenn S. Fleisig, Ph.D., is the Research Director of the American Sports Medicine Institute (ASMI). Fleisig earned his B.S. in mechanical engineering from MIT, MS in mechanical engineering from Washington University, and PhD in biomedical engineering from UAB. After a research internship at the U.S. Olympic Training Center, Fleisig was hired in 1987 by the newly founded American Sports Medicine Institute to head up the research division, a position he has held for 30 years.

In addition to his work at ASMI, Dr. Fleisig is an adjunct professor at UAB and serves as chair of the USA Baseball Medical & Safety Advisory Committee, injury research advisor for Major League Baseball, safety consultant for Little League Baseball, and board member for Motus Global.

Selected Other Published Work in AJSM

Dugas JR, Walters BW, Beason DP, Fleisig GS, Chronister JE: Biomechanical comparison of ulnar collateral ligament repair with internal bracing versus modified jobe reconstruction, Am J Sports Med 44(3):735-741, 2015.

Wilk KE, Macrina LC, Fleisig GS, Aune KT, Porterfield RA, Harker P, Evans TJ, Andrews JR. Deficits in glenohumeral passive range of motion increase risk of shoulder injury in professional baseball pitchers: a prospective study. Am J Sports Med 43(10):2379-2385, 2015.

Conte SA, Fleisig GS, Dines JS, Wilk KE, Aune KT, Patterson-Flynn N, ElAttrache N. Prevalence of ulnar collateral ligament surgery in professional baseball players. Am J Sports Med 43(7):1764-1769, 2015.

Fleisig GS, Leddon CE, Laughlin WA, Ciccotti MG, Mandelbaum BR, Aune KT, Escamilla RF, MacLeod TD, Andrews JR. Biomechanical performance of baseball pitchers with a history of ulnar collateral ligament reconstruction. Am J Sports Med 43(5):1045-1050, 2015.

Scillia AJ, Aune KT, Andrachuk JS, Cain EL, Dugas JR, Fleisig GS, Andrews JR. Return to play after chondroplasty of the knee in national football league athletes. Am J Sports Med 43(3):663-668, 2015.

Laughlin WA, Fleisig GS, Scillia AJ, Aune KT, Cain EL, Dugas JR. Deficiencies in pitching biomechanics in baseball players with a history of SLAP repair. Am J Sports Med 42(12):2837-2841, 2014.

Meisterling SW, Cain EL, Fleisig GS, Hartzell JL, Dugas JR. Return to athletic activity after plate fixation of displaced midshaft clavicle fractures. Am J Sports Med 41(11):2632-2636, 2013.

Dugas JR, Bilotta J, Watts CD, Crum JA, Fleisig GS, McMichael CS, Cain EL Jr, Andrews JR. Ulnar collateral ligament reconstruction with gracilis tendon in athletes with intraligamentous bony excision: technique and results. Am J Sports Med 40(7):1578-1582, 2012.

Fleisig GS, Andrews JR, Cutter GR, Weber A, Loftice J, McMichael C, Hassell N, Lyman S. Risk of Serious Injury for Young Baseball Pitchers: A 10-Year Prospective Study. Am J Sports Med 39(2):253-257, 2011.

Robb AJ, Fleisig GS, Wilk K, Macrina L, Bolt B, Pajaczkowski J. Passive ranges of motion of the hips and their relationship with pitching biomechanics and ball velocity in professional baseball pitchers. Am J Sports Med 38(12):2487-2493, 2010.

Shah VM, Andrews JR, Fleisig GS, McMichael CS, Lemak LJ. Return to play after anterior cruciate ligament reconstruction in national football league athletes. Am J Sports Med 38(11):2233-2239, 2010.

Dun S, Loftice J, Fleisig GS, Kingsley D, Andrews JR. A Biomechanical Comparison of Youth Baseball Pitches: Is the Curveball Potentially Harmful? Am J Sports Med 36(4):686-692, 2008.

Wilk KE, Escamilla RF, Fleisig GS, Barrentine SW, Andrews JR, Boyd ML. The comparison of tibiofemoral joint forces and electromyography during open and closed kinetic chain exercises. The American Journal of Sports Medicine 24(4):518-527, 1996.

Fleisig GS, Andrews JR, Dillman CJ, Escamilla RF. Kinetics of baseball pitching with implications about injury mechanisms. The American Journal of Sports Medicine 23(2):233-239, 1995.

June Featured Author

Portrait, Headshot
Bertrand Sonnery-Cottet, MD

Centre Orthopedique Santy
“FIFA Medical Centre of Excellence”
Lyon, France

From the June issue: Anterolateral Ligament Reconstruction Is Associated With Significantly Reduced ACL Graft Rupture Rates at a Minimum Follow-up of 2 Years: A Prospective Comparative Study of 502 Patients From the SANTI Study Group

Podcast: Listen to Dr. Sonnery-Cottet discuss his article in the June issue.


Dr. Sonnery-Cottet is a practicing orthopaedic surgeon in Lyon, France. He exclusively specializes in sports medicine, especially knee, muscular, and ankle surgery. He performs over 600 ACL reconstructions each year. Dr. Sonnery-Cottet attended medical school in Lyon, and he was a resident in Paris University Hospitals as well as Edinburgh, Scotland. He was also an assistant registrar in orthopaedic surgery in Paris at the Pitié Salpétrière Hospital. Dr. Sonnery-Cottet has presented over 100 national and international lectures, participated in three scientific movies, and has 86 international publications. He also serves as an editorial board member for the Orthopaedic Journal of Sports Medicine and a reviewer for the American Journal of Sports Medicine.

Selected Other Published Work in AJSM

The Involvement of the Anterolateral Ligament in Rotational Control of the Knee. Sonnery-Cottet B, et al. Am J Sports Med. 2016

Outcome of a Combined Anterior Cruciate Ligament and Anterolateral Ligament Reconstruction Technique With a Minimum 2-Year Follow-up. Sonnery-Cottet B, et al. Am J Sports Med. 2015

Proximal Tibial Anterior Closing Wedge Osteotomy in Repeat Revision of Anterior Cruciate Ligament Reconstruction. Sonnery-Cottet B, et al. Am J Sports Med. 2014

Hidden lesions of the posterior horn of the medial meniscus: a systematic arthroscopic exploration of the concealed portion of the knee. Sonnery-Cottet B, et al. Am J Sports Med. 2014

Prevalence of septic arthritis after anterior cruciate ligament reconstruction among professional athletes. Sonnery-Cottet B, et al. Am J Sports Med. 2011

Preoperative factors correlating with prolonged range of motion deficit after anterior cruciate ligament reconstruction. Quelard B, Sonnery-Cottet B, et al. Am J Sports Med. 2010

May Featured Author

Greg Maletis, MD

Kaiser Permanente
Department of Orthopedics, Baldwin Park
Clinical Professor of Orthopedics
Keck/USC School of Medicine

From the May issue: Increased Risk of Revision After Anterior Cruciate Ligament Reconstruction With Bone–Patellar Tendon–Bone Allografts Compared With Autografts

Podcast: Listen to Dr. Maletis discuss his article in the May issue.


Dr. Maletis is a practicing orthopedic surgeon at the Kaiser Permanente Baldwin Park Medical Facility. In addition, he has an appointment as a Clinical Professor of Orthopedic Surgery in the Keck/USC School of Medicine. He completed his residency in Orthopedics at USC and a sports medicine fellowship at LSU. He has served as the Lead Physician of the Kaiser Permanente ACL Registry, now the largest ACL registry in the US. The registry team has published over 30 papers and had numerous paper presentations at national and international meetings. His work has focused on the risk factors associated with risk of revision after ACL surgery. He is also one of the co-founders of the International ACL Registry Group which is a coalition of ACL Registries from around the world.

Selected Other Published Work in AJSM

Maletis GB
, Chen J, Inacio MC, Love R, Funahashi TT. Increased Risk of Revision After Anterior Cruciate Ligament Reconstruction with Bone-Patellar Tendon-Bone Allograft Compared to Autograft. Am J Sports Med. 2017; 45:1333-1340.

Maletis GB, Chen J, Inacio MC, Love R, Funahashi TT. Increased Risk of Revision After Anterior Cruciate Ligament Reconstruction With Soft Tissue Allografts Compared With Autografts: Graft Processing and Time Make a Difference. Am J Sports Med. 2017 published online March 17.

Sprague, L; Chen, J.; Mizayan, R.; Love, R.; Maletis, G.; The Effect of Autologous Hamstring Graft Diameter on the Likelihood for Revision of Anterior Cruciate Ligament Reconstruction. Am J Sports Med. 2016;44:1475-1481.

Maletis, G.B.; Chen,J.; Inacio,M.C.S.; Funahashi,T.T.; Anterior Cruciate Ligament Reconstruction: Age Related Risk Factors for Revision in a Cohort of 21,304 Patients from the Kaiser Permanente ACL Registry. Am J Sports Med. 2016;44:331-336.

Tejwani, S.G.; Chen, J.;Funahashi, T.T.; Love,R.; Maletis,G.B; Revision Risk After Allograft Anterior Cruciate Ligament Reconstruction: Association With Graft Processing Techniques, Patient Characteristics, and Graft Type. Am J Sports Med. 2015;43:2696-2705.

Navarro,R.A.; Inacio, M.C.S.; Maletis, G.B.; Racial Variations in Anterior Cruciate Ligament Reconstruction: Pre-operative characteristics and Intra-operative Findings. Am J Sports Med. 2015;43:2559-2965.

Maletis, G.B.; Inacio , M.C.S.;Funahashi,T.T; Risk Factors Associated With Revision and Contralateral Anterior Cruciate Ligament Reconstructions in the Kaiser Permanente ACLR Registry. Am J Sports Med. 2015;43:641-647.

Wyatt, R.W.B.; Inacio, M.C.S.; Liddle, K.D.; Maletis, G.B.; Prevalence and Incidence of Cartilage Injuries and Meniscus Tears in Patients Who Underwent Both Primary and Revision Anterior Cruciate Ligament Reconstructions. Am J Sports Med. 2014;42:1841-1846.

Funahashi, K.M.; Moksnes, H.; Maletis, G.B.; Csintalan, R.P.; Inacio, M.C.S.; Funahashi,T.T.; Anterior Cruciate Ligament Injuries in Adolescents With Open Physis Effect of Recurrent Injury and Surgical Delay on Meniscal and Cartilage Injuries. Am J Sports Med. 2014;42:1068-1073.

Csintalan, R.P.; Inacio, M.C.S.; Funahashi, T.T.; Maletis, G.B.; Risk Factors of Subsequent Operations After Primary Anterior Cruciate Ligament ReconstructionAm J Sports Med. 2013;42:619-625.

Wyatt, R.W.B.; Inacio, M.C.S.; Liddle, K.D.; Maletis, G.B.; Factors Associated With Meniscus Repair in Patients Undergoing Anterior Cruciate Ligament Reconstruction. Am J Sports Med. 2013;41:2814-2818.

Granan, L.P.; Inacio, M.C.S.; Maletis, G.B.; Funahashi, T.T.; Engebretsen, L.; Sport-Specific Injury Pattern Recorded During Anterior Cruciate Ligament Reconstruction. Am J Sports Med. 2013;41:2814-2818.

Maletis, G.B.; Inacio , M.C.S.;Funahashi,T.T; Analysis of 16,192 Anterior Cruciate Ligament Reconstructions From a Community-Based Registry. Am J Sports Med. 2013;41:2090-2098.

Maletis, G.B.; Inacio , M.C.S.; Reynolds, S; Desmond,J.L.; Maletis,M.M.;Funahashi,T.T.: Incidence of Postoperative Anterior Cruciate Ligament Reconstruction Infections: Graft Choice Makes a Difference. Am J Sports Med. 2013;41:1780-1785.

Inacio, M.C.S.; Paxton, E.W.; Maletis, G.B.; Csintalan R.P.; Granan, L.P.; Fithian, D.C,; Funahashi, T.T.: Patient and Surgeon Characteristics Associated With Primary Anterior Cruciate Ligament Reconstruction Graft Selection. Am J Sports Med. 2012;40:384-94.

Chhadia, A..M.; Inacio, M.C.S.; Maletis, G.B.; Csintalan, R.P.; Davis, B.R.; Funahashi, T.T.; Are Meniscus and Cartilage Injuries Related to Time to Anterior Cruciate Ligament Reconstruction?  Am J Sports Med. 2011;39:1894-1899.

Maletis,G.B.; Cameron,S.L.; Tengan,J.J.; Burchette,R.J.: A Prospective Randomized Study of Anterior Cruciate Ligament Reconstruction.  Am J Sports Med. 2007;35:384-394.