Fig. 1

Selection process of eligible studies for synthesis in this review. Notes: ^aReports excluded according to exclusion criteria: (1) reported previously published data or were a narrative review, systematic review, or meta-analysis; (2) reported mean age of the sample outside the specified age range of 12–19 years; (3) included only female players or did not differentiate data according to sex if examining female and male players together; (4) did not report data for at least one physical characteristic and at least one physiological characteristic concurrently, or did not provide these data on request via email communication if data were not clearly reported in the published study; (5) did not identify the test(s) used to assess the included physical; (6) adopted a longitudinal observational or experimental design and did not report baseline data