. Author manuscript; available in PMC: 2020 Jan 10.

Published in final edited form as: J Appl Biomech. 2018 Jul 10;35(1):11–18. doi: 10.1123/jab.2017-0322

Table 4:

Average intraclass correlation coefficients (ICC model 3,1) of the Root-Mean-Square (RMS) of trunk tilt displacement, velocity, and acceleration across the 24 tasks, standard deviation (SD), and the number of tasks with poor reliability (ICC < 0.4).

	Within 1^st visit (Set 1 & 2)		Within 2^nd visit (Set 1 & 2)		Between visits (1^st Set)		Between visits (Average of 2 Sets)
	ICC (SD)	# of tasks with poor reliability	ICC (SD)	# of tasks with poor reliability	ICC (SD)	# of tasks with poor reliability	ICC (SD)	# of tasks with poor reliability
RMS of pitch displacement	0.38 (0.16)	11	0.50 (0.14)	5	0.39 (0.14)	9	0.68 (0.11)	0
RMS of roll displacement	0.51 (0.17)	4	0.56 (0.19)	4	0.44 (0.16)	8	0.84 (0.09)	0
RMS of pitch velocity	0.58 (0.15)	3	0.60 (0.15)	1	0.47 (0.14)	6	0.81 (0.06)	0
RMS of roll velocity	0.64 (0.12)	0	0.63 (0.19)	3	0.47 (0.14)	8	0.84 (0.09)	0
RMS of A/P acceleration	0.46 (0.17)	7	0.53 (0.13)	4	0.40 (0.15)	9	0.73 (0.09)	0
RMS of M/L acceleration	0.57 (0.12)	2	0.59 (0.16)	2	0.49 (0.12)	6	0.87 (0.06)	0

A/P: antero-posterior; M/L: medio-lateral.