Editorial
Sports in 2021
Edward M. Wojtys
Guest Editorial
VIDEO + JOURNAL = VJSM
Bruce Reider
Focus Topic: Baseball
Prevalence and Consequences of Sport Specialization Among Little League Baseball Players
Eric G. Post, Michael D. Rosenthal, Andrew T. Pennock, and Mitchell J. Rauh
Early Sport Specialization Linked to Throwing Arm Function and Upper Extremity Injury History in College Baseball Players
Jason Croci, Jim Nicknair, and John Goetschius
The Effect of Straight-Line Long-Toss Versus Ultra-Long-Toss Throwing on Passive Glenohumeral Range of Motion Recovery After Pitching
T. David Luo, Aaron D. Sciascia, Austin V. Stone, Chukwuweike U. Gwam, Christopher A. Grimes, Jeffrey G. Strahm, Sandeep Mannava, G. Lane Naugher, Brian R. Waterman, and Michael T. Freehill
Current Concepts in Arm Care Exercise Programs and Injury Risk Reduction in Adolescent Baseball Players: A Clinical Review
Kyle A. Matsel, Robert J. Butler, Terry R. Malone, Matt C. Hoch, Philip M. Westgate, and Tim L. Uhl
Current Research
Quadriceps Strength and Kinesiophobia Predict Long-Term Function After ACL Reconstruction: A Cross-Sectional Pilot Study
Joshua J. Van Wyngaarden, Cale Jacobs, Katherine Thompson, Molly Eads, Darren Johnson, Mary Lloyd Ireland, and Brian Noehren
Utility of Percutaneous Ultrasonic Tenotomy for Tendinopathies: A Systematic Review
Sravya Vajapey, Sennay Ghenbot, Michael R. Baria, Robert A. Magnussen, and W. Kelton Vasileff
Energy Drinks and Their Adverse Health Effects: A Systematic Review and Meta-analysis
Ibrahim M. Nadeem, Ajaykumar Shanmugaraj, Seaher Sakha, Nolan S. Horner, Olufemi R. Ayeni, and Moin Khan
Can Injuries Have a Lasting Effect on the Perception of Pain in Young, Healthy Women and Men?
Agnieszka Maciejewska-Skrendo, Maciej Pawlak, Agata Leońska-Duniec, Alina Jurewicz, Mariusz Kaczmarczyk, Paweł Cięszczyk, and Katarzyna Leźnicka
Anterior Cruciate Ligament Injuries in the Older Athlete
Matthew J. Best, Bashir A. Zikria, and John H. Wilckens
Match High-Speed Running Distances Are Often Suppressed After Return From Hamstring Strain Injury in Professional Footballers
Rodney Whiteley, Andrew Massey, Tim Gabbett, Peter Blanch, Matthew Cameron, Greta Conlan, Matthew Ford, and Morgan Williams
Risk Factors for Plantar Fasciitis in Physically Active Individuals: A Systematic Review and Meta-analysis
Karrie L. Hamstra-Wright, Kellie C. Huxel Bliven, R. Curtis Bay, and Burcu Aydemir
Confidence to Return to Play After Anterior Cruciate Ligament Reconstruction Is Influenced by Quadriceps Strength Symmetry and Injury Mechanism
Francesco Della Villa, Rachel K. Straub, Bert Mandelbaum, and Christopher M. Powers