Editorial
Open Access
The Team Doc and Injury Care
Edward M. Wojtys, MD
pp. 421–422
Focus Topic: The Elite Athlete
Epidemiology of Concussion in the National Football League, 2015-2019
Christina D. Mack, PhD, MSPH*, Gary Solomon, PhD, Tracey Covassin, PhD, ATC, Nicholas Theodore, MD, Javier Cárdenas, MD, Allen Sills, MD
pp. 423–430
Medical Tent Usage From Bank of America Chicago Marathon 2015-2017
Brendan Parker, MD*, Poonam Thaker, MD, Shu Chan, MD, MS, George Chiampas, DO
pp. 431–436
Return-to-Play Outcomes in Elite Athletes After Cervical Spine Surgery: A Systematic Review
Joseph Leider, BS, Joshua David Piche, MD, Moin Khan, MD, Ilyas Aleem, MD, MS, FRCSC*
pp. 437–445
Open Access
Return to Play After Symptomatic Lumbar Disc Herniation in Elite Athletes: A Systematic Review and Meta-analysis of Operative Versus Nonoperative Treatment
Phelopater Sedrak, BHSc, Mustafa Shahbaz, Chetan Gohal, MD, Kim Madden, PhD, Ilyas Aleem, MD, MSc, Moin Khan, MD, MSc*
pp. 446–453
Current Research
Open Access
Head Impact Exposures Among Youth Tackle and Flag American Football Athletes
Dana Waltzman, PhD*, Kelly Sarmiento, MPH, Owen Devine, PhD, Xinjian Zhang, PhD, Lara DePadilla, PhD, Marcie-jo Kresnow, MS, Kelley Borradaile, PhD, Andrew Hurwitz, PhD, David Jones, PhD, Ravi Goyal, PhD, Matthew J. Breiding, PhD
pp. 454–462
Effects of Face Mask Use on Objective and Subjective Measures of Thermoregulation During Exercise in the Heat
Ayami Yoshihara, MS, LAT, ATC, NREMT*, Erin E. Dierickx, MS, CSCS, Gabrielle J. Brewer, MA, CISSN, Yasuki Sekiguchi, PhD, CSCS, Rebecca L. Stearns, PhD, ATC, Douglas J. Casa, PhD, ATC
pp. 463–470
Epidemiology of Patients with Dance-Related Injuries Presenting to Emergency Departments in the United States, 2014-2018
Joshua Honrado, DAT, MS, ATC*, R. Curt Bay, PhD, Kenneth C. Lam, ScD, ATC
pp. 471–475
Resistance Training Does Not Decrease Placental Blood Flow During Valsalva Maneuver: A Novel Use of 3D Doppler Power Flow Ultrasonography
Sara Gould, MD, MPH*, Chase Cawyer, MD, Louis Dell’Italia, MD, Lorie Harper, MD, Gerald McGwin, PhD, Marcas Bamman, PhD
pp. 476–481
Static and Dynamic Quadriceps Stretching Exercises in Patients With Patellofemoral Pain: A Randomized Controlled Trial
Jin Hyuck Lee, PT, Ki-Mo Jang, PhD, MD, Eunseon Kim, PT, Hye Chang Rhim, MD, Hyeong-Dong Kim, PhD, PT*
pp. 482–489
Clinical and Radiographic Outcomes After Treatment of Patellar Chondral Defects: A Systematic Review
Charles A. Su, MD, PhD, Nikunj N. Trivedi, MD, Hao-Tinh Le, BS, Lakshmanan Sivasundaram, MD, Travis G. Maak, MD, Michael J. Salata, MD, James E. Voos, MD, Michael Karns, MD*
pp. 490–501
Evaluating the Clinical Tests for Adolescent Tibial Bone Stress Injuries
Eric D. Nussbaum, MEd, LAT, ATC*, Charles J. Gatt, Jr, MD, Jaynie Bjornarra, PT, PhD, MPH, SCS, LAT, ATC, CSCS, Chenyun Yang, BA
pp. 502–510
Open Access
Line- and Point-Focused Extracorporeal Shock Wave Therapy for Achilles Tendinopathy: A Placebo-Controlled RCT Study
Matthias Gatz, MD*, Sebastian Schweda, MD, Marcel Betsch, MD, Timm Dirrichs, MD, Matias de la Fuente, PhD, Nina Reinhardt, MSc, Valentin Quack, MD
pp. 511–518
