A clinical test to assess isometric cervical strength in chronic whiplash associated disorder (WAD): a reliability study

Table 8 Correlation between NDI, TSK, and strength measures (n = 20)

		TSK	Flex	Ext	RSF	LSF	RR	LR	Tot
NDI	Spearman	0.169	-0.320	-0.239	-0.245	-0.256	-0.219	-0.183	-0.205
NDI	Sig	0.477	0.169	0.309	0.297	0.276	0.354	-0.441	0.387
TSK	Pearson	1	-0.352	-0.567^*	-0.623^*	-0.523^*	-0.565^*	-0.548^*	-0.566^*
TSK	Sig		0.128	0.009	0.003	0.018	0.009	0.012	0.009

NDI Neck disability index rank, TSK Tampa scale for kinesiophobia score, Pearson Pearson product-moment coefficient of correlation (r), with significance, Spearman Spearman rank correlation (r_s) with significance, Flex Flexion, Ext Extension, RSF Right side flexion, LSF Left side flexion, RR Right rotation, LR Left rotation, Total sum of all directional strength values.All strength values expressed in kgf
^* significant correlation (p < .05)

ISSN: 1471-2474