Fig. 4

Bland-Altman plot comparing Optojump device and Gyko system derived vertical jump heights (cm) for (a) the countermovement jump (CMJ) and (b) the squat jump (SJ). The inner line indicates the average of the differences (i.e., systematic bias). The outer lines indicate the limits of agreements corresponding to the mean ± 1.96 SD (i.e., random bias)