Analysis of the accuracy and reliability of vertical jump evaluation using a low-cost acquisition system

Table 2 Intra-rater reliability of vertical jump indices

Outcomes	α	ICC	95% CI	SEM (°)	SEM (%)	MDC (°)
Rater 1
Bipodal
Impulse time (s)	0.903	0.898	0.840, 0.935	0.04	5.95	0.12
Flight time (s)	0.928	0.925	0.884, 0.952	0.01	1.96	0.03
Maximum vertical height (cm)	0.934	0.932	0.893, 0.956	0.02	0.05	0.04
Dominant
Impulse time (s)	0.950	0.946	0.909, 0.967	0.04	5.44	0.12
Flight time (s)	0.738	0.716	0.537, 0.823	0.02	5.33	0.05
Maximum vertical height (cm)	0.713	0.691	0.500, 0.807	0.02	0.14	0.06
Non-Dominant
Impulse time (s)	0.902	0.889	0.805, 0.934	0.09	8.93	0.24
Flight time (s)	0.866	0.864	0.786, 0.913	0.01	1.84	0.02
Maximum vertical height (cm)	0.874	0.872	0.799, 0.918	0.03	0.10	0.07

α Cronbach’s alpha, ICC Intra-class correlation coefficient, CI Confidence interval, SEM Standard error of Measurement, MDC Minimum detectable change, s seconds, cm centimeter

ISSN: 2052-1847