Table 2. Subject characteristics. Study Gen N Expe Con Outcome Mat Age Height Weight Michailidis et.al 2013 Male PJT = 24 Con = 21 PJT PE 10m, 20m, 30m SJ, CMJ, SLJ Tan 1 10.9 10.8 147.00 145.00 42.50 41.70 Michailidis, 2015 Male PJT = 11 Con = 10 PJT+Soc Soc 10m, 30m, SLJ Tan1 11.3 11.4 146.00 147.00 42.30 43.20 Llyod et.al 2016 Male PJT = 10 Con = 10 PJT PE 10m, 20m, SJ RSI -1.5 -1.5 12.7 12.8 159.60 157.00 56.00 54.90 Asadi et.al 2018 Male PJT = 10 Con = 10 PJT+Soc Soc CMJ, 20m -1.8 -1.9 11.5 11.7 138.30 137.40 31.00 33.10 Bogdanis et.al 2019 Female PJT = 33 Con = 17 PJT+Gym Gym CMJ, RSI, SJ 10m, 20m All = -4.9 8.1 7.9 129.30 129.80 28.70 27.50 Sammoud et.al 2019 Male PJT = 14 Con = 12 PJT+Swim Swim CMJ, SLJ -3.09 -2.8 10.5 10.7 143.00 146.00 36.20 38.20 Tottori and Fujita 2019 Male PJT = 9 Con = 11 PJT Acti SLJ, CMJ, SJ 10m -3.5 -3.1 10.9 10.3 142.30 138.60 35.20 38.10 Drouzas et.al 2020 Male UPJT = 23 BPJT = 23 Con = 22 PJT + Soc Soc 5m, 10m, 20m CMJ, SJ -2.9 -3.2 -2.9 9.9 10 10.2 142.20 139.20 141.60 39.30 36.10 38.60 Negra et.al 2020a Male PJT = 13 Con = 11 PJT+Soc Soc 20M -1.3 -1.8 12.7 12.7 158.6 1520 43.70 39.90 Negra et.al 2020b Male PJT = 11 Con = 11 PJT+Soc Soc 20m SLJ, CMJ, SJ -1.52 -1.51 Tan1-Tan2 12.8 12.7 156.4 153.2 46.60 43.20 Sammoud et.al 2021 Female PJT = 12 Con = 10 PJT+Swi Swim CMJ SLJ -1.5 -1.34 10.1 10.5 146.90 143.60 36.39 38.41 Marta et.al 2022 Male/Female PJT = 41 Con = 39 PJT+PE PE CMJ SLJ 20m Tan1-Tan2 10.8 10.72 145.37 140.00 40.19 37.58 Sammoud et.al 2019 Male PJT = 11 Con = 11 PJT+Soc Soc 5m,10m, 20m 30m -1.5 -1.7 12.7 12.8 156.40 153.20 45.90 42.60 Sammoud et.al 2024 Male PJT = 13 Con = 14 PJT+Soc Soc CMJ, SLJ -1.6 -2.5 12.7 11.6 155.80 148.10 47.90 39.40 Llyod et.al 2012a Male PJT = 20 Con = 21 PJT pe RSI -3.76 -3.86 9.6 9.4 133.20 135.48 32.75 32.64 Llyod et.al 2012b Male PJT = 22 Con = 22 PJT pe RSI -1.8 -1.86 12.2 12.3 151.89 151.67 44.78 47.38 Chaouchachi, et.al 2014 Male PJT = 17 Con = 13 PJT Acti CMJ,SLJ, 5m Tan1-Tan2 11.0 11.0 149.80 150.40 40.10 41.10 Sammoud et.al 2022 Male PJT = 11 Con = 11 PJT+Soc Soc 10m,20m, 30m -1.7 -1.7 12.8 12.7 156.40 153.20 45.90 42.60 Katsikari et.al 2020 Female PJT = 12 Con = 12 PJT pe CMJ,SJ,RSI Tan1-Tan2 ALL = 10.1 146.00 144.00 38.40 38.80 Abbreviation: Gen=Gender; Expe=Experiment group; Con=Control group; PJT=Plyometric training; Mat=maturation; PE=PE Class; Soc=Soccer; Swim=Swimming; Gym=Gymnastics; Acti=Daily activity or Sports activity; Tan=Tanner score; CMJ=Countermovement jump; SLJ=Stand long jump; RSI=Reactive strength index; 5m, 10m, 20m, 30m=Sprint distance, ALL=all subject. Note; UPJT refers to unilateral plyometric training; BPJT refers to bilateral plyometric training; unless specifically noted, maturity is indicated as maturity offset; height is measured in cm; weight is measured in kg.