Hamstring and Ankle Flexibility Deficits Are Weak Risk Factors for Hamstring Injury in Professional Soccer Players: A Prospective Cohort Study of 438 Players Including 78 Injuries

The American Journal of Sports Medicine
N van DykErik Witvrouw

Abstract

Hamstring injuries remain a significant injury burden in sports such as soccer that involve high-speed running. It has repeatedly been identified as the most common noncontact injury in elite male soccer, representing 12% of all injuries. As the incidence of hamstring injuries remains high, investigations are aimed at better understanding how to prevent hamstring injuries. Stretching to improve flexibility is commonly used in elite-level sports, but risk factor studies have reported contradicting results, leading to unclear conclusions regarding flexibility as a risk factor for hamstring injuries. To investigate the association of lower limb flexibility with the risk of hamstring injuries in professional soccer players. Cohort study; Level of evidence, 2. All teams (n = 18) eligible to compete in the premier soccer league in Qatar (Qatar Stars League [QSL]) underwent a comprehensive musculoskeletal assessment during their annual periodic health evaluation at Aspetar Orthopaedic and Sports Medicine Hospital in Doha, Qatar. Variables included passive knee extension and ankle dorsiflexion range of motion. A clustered multivariate Cox regression analysis was used to identify associations with the risk of hamstring injuries. Receive...Continue Reading

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Citations

May 11, 2019·European Journal of Sport Science·Victor Moreno-PérezDaniel Romero-Rodríguez
Oct 24, 2019·The Journal of Sports Medicine and Physical Fitness·Víctor Moreno-PérezDaniel Castillo
Oct 31, 2019·Scandinavian Journal of Medicine & Science in Sports·Lorenzo LolliNicol van Dyk
Jan 15, 2019·British Journal of Sports Medicine·Wayne DermanKeun-Suh Kim
Jun 7, 2019·British Journal of Sports Medicine·Alejandro López-ValencianoFrancisco Ayala
Aug 25, 2020·Sports Biomechanics·Alberto Encarnación-MartínezAntonio García-Gallart
Dec 21, 2020·Physical Therapy in Sport : Official Journal of the Association of Chartered Physiotherapists in Sports Medicine·Brock W FreemanWarren B Young
Feb 9, 2021·The Journal of Sports Medicine and Physical Fitness·Shuji TaketomiNobuhiko Haga

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