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The association between measures derived from the device and future hamstring strain injury is directly examined in this manuscript. Dr Opar is also the Chair of the Vald Performance Research Committee, a role that is unpaid. Dr Opar has received funding from Vald Performance for research unrelated to the current manuscript. Dr Opar\u2019s brother and brother-in-law are employees of Vald Performance. Dr Opar\u2019s brother is a minority shareholder in Vald Performance Pty Ltd. Ryan Timmins, Fearghal Behan, Jack Hickey, Nicol van Dyk, Kara Price and Nirav Maniar declare that they have no conflicts of interest relevant to the content of this review.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"Access to data and\/or material can be sought via contacting the corresponding author.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Availability of data and material"}},{"value":"Not applicable.","order":5,"name":"Ethics","group":{"name":"EthicsHeading","label":"Code availability"}},{"value":"DAO, RGT, FPB, JTH, NM conceived the study. DAO, FPB and KP completed study protocol and registration. DAO and RGT completed database searches and extraction. RGT and JTH completed title and abstract screening. FPB and JTH completed full text review. RGT, NvD and FPB completed risk of bias assessment. NM, JTH and NvD completed data extraction. NM and JTH completed data analysis. DAO drafted the Introduction and Methods. NM drafted the Results and Discussion. All authors reviewed, revised and approved the final manuscript.","order":6,"name":"Ethics","group":{"name":"EthicsHeading","label":"Authorship contributions"}}]}}