Table 1. Linear regression data obtained from 3 jump types and both maximum and averaged variables, and the corresponding indices of reliability.

Jump type	Variable type	Variable	Session 3	Session 4	CV %	SEM	ICC	t
SJ	Maximum	F0	3293 ± 496	3210 ± 450	3.6	121	0.94 (0.83, 0.97)	1.52
		V0	5.92 ± 1.52	5.90 ± 1.17	6.5	0.42	0.91 (0.75, 0.96)	0.12
		a	582 ± 149	562 ± 126	9.7	53	0.86 (0.63, 0.94)	0.85
		Pmax	4847 ± 1322	4717 ± 1096	4.4	254	0.96 (0.89, 0.98)	1.15
	Average	F0	2613 ± 539	2519 ± 516	5.1	127	0.95 (0.85, 0.98)	1.65
		V0	2.51 ± 0.51	2.60 ± 0.52	6.0	0.14	0.93 (0.8, 0.97)	-1.51
		a	1096 ± 371	1019 ± 362	9.8	82	0.96 (0.87, 0.98)	2.12
		Pmax	1610 ± 321	1610 ± 309	5.4	86	0.93 (0.81, 0.97)	-0.01
CMJ	Maximum	F0	3116 ± 602	3094 ± 617	3.5	103	0.97 (0.93, 0.99)	0.48
		V0	7.04 ± 1.48	7.05 ± 1.18	7.5	0.55	0.85 (0.59, 0.93)	-0.06
		a	475 ± 187	464 ± 185	11.0	43	0.95 (0.86, 0.98)	0.56
		Pmax	5340 ± 909	5344 ± 881	4.4	229	0.94 (0.83, 0.97)	-0.04
	Average	F0	2962 ± 584	2930 ± 621	2.7	80	0.98 (0.95, 0.99)	0.91
		V0	3.27 ± 0.52	3.34 ± 0.58	3.3	0.11	0.96 (0.89, 0.98)	-1.31
		a	949 ± 339	926 ± 344	5.7	52	0.98 (0.94, 0.99)	1.01
		Pmax	2381 ± 435	2395 ± 465	2.4	59	0.98 (0.96, 0.99)	-0.53
CMJa	Maximum	F0	3407 ± 883	3412 ± 891	3.7	149	0.97 (0.93, 0.99)	-0.07
		V0	6.77 ± 1.95	6.74 ± 1.76	7.5	0.59	0.91 (0.74, 0.96)	0.09
		a	560 ± 258	554 ± 234	10.6	57	0.95 (0.86, 0.98)	0.24
		Pmax	5500 ± 1092	5501 ± 1020	5.5	300	0.93 (0.8, 0.97)	-0.01
	Average	F0	2859 ± 563	2857 ± 671	3.0	84	0.98 (0.95, 0.99)	0.04
		V0	3.27 ± 0.57	3.26 ± 0.40	5.6	0.2	0.85 (0.59, 0.93)	0.08
		a	906 ± 273	903 ± 299	7.3	52	0.97 (0.91, 0.99)	0.09
		Pmax	2319 ± 530	2296 ± 467	5.4	132	0.94 (0.82, 0.97)	0.38

SJ - squat jump; CMJ - countermovement jump without arm swing; CMJa - countermovement jump with arm swing; F₀ - force intercept; V₀ - velocity intercept; a - slope; P_max - maximum power; CV% - coefficient of variation; SEM - standard error of measurement; ICC - intraclass correlation coefficient shown with the corresponding 95% CI; t - t-value