Table S6. Within-session reliability of countermovement- and squat-jump outcomes. Jump type Time point Outcome ICC (95% CI) CV (%) CMJ PRE Jump height 0.969 (0.950 to 0.981) 3.5 CMJ PRE Modified reactive strength index (RSImod) 0.928 (0.884 to 0.957) 8.4 CMJ PRE Relative peak positive power 0.741 (0.589 to 0.843) 15.3 CMJ PRE Relative mean propulsive power 0.975 (0.959 to 0.985) 3.2 CMJ PRE Relative propulsive impulse 0.966 (0.945 to 0.980) 1.8 CMJ POST Jump height 0.960 (0.933 to 0.977) 4.9 CMJ POST Modified reactive strength index (RSImod) 0.873 (0.789 to 0.927) 12.7 CMJ POST Relative peak positive power 0.787 (0.651 to 0.876) 13.0 CMJ POST Relative mean propulsive power 0.966 (0.944 to 0.980) 4.3 CMJ POST Relative propulsive impulse 0.957 (0.929 to 0.975) 2.4 SJ PRE Jump height 0.835 (0.734 to 0.901) 9.0 SJ PRE Modified reactive strength index (RSImod) 0.759 (0.612 to 0.856) 16.9 SJ PRE Relative peak positive power 0.906 (0.849 to 0.944) 5.7 SJ PRE Relative mean propulsive power 0.682 (0.489 to 0.810) 15.4 SJ PRE Relative propulsive impulse 0.841 (0.744 to 0.905) 4.5 SJ POST Jump height 0.760 (0.610 to 0.859) 10.6 SJ POST Modified reactive strength index (RSImod) 0.621 (0.385 to 0.777) 19.7 SJ POST Relative peak positive power 0.871 (0.790 to 0.924) 6.6 SJ POST Relative mean propulsive power 0.398 (0.026 to 0.645) 18.6 SJ POST Relative propulsive impulse 0.774 (0.633 to 0.867) 5.0 Abbreviations: CMJ, countermovement jump; SJ, squat jump; ICC, intraclass correlation coefficient; CV, coefficient of variation; PRE, preexercise; POST, postexercise.