Recalibrating the risk of hamstring strain injury (HSI): A 2020 systematic review and meta-analysis of risk factors for index and recurrent hamstring strain injury in sport

To systematically review risk factors for hamstring strain injury (HSI).Systematic review update.Database searches: (1) inception to 2011 (original), and (2) 2011 to December 2018 (update). Citation tracking, manual reference and ahead of press searches.Studies presenting prospective data evaluating factors associated with the risk of index and/or recurrent HSI.Search result screening and risk of bias assessment. A best evidence synthesis for...