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

Table 9 Required change and minimum detectable change scores for each testing sequence (n = 20)

	Rater	Mean score	BA Req Change	MDC	Healthy Score (kgf)
	Rater	Mean score	BA Req Change	MDC	Female	Male
Flex	Intra	3.04	2.15	1.09	10.7	21.3
Flex	Inter	3.10	2.46	1.09	10.7	21.3
Ext	Intra	6.26	5.09	2.97	19.45	33.85
Ext	Inter	6.62	4.57	2.97	19.45	33.85
RSF	Intra	3.56	2.61	1.46	11.35	22.05
RSF	Inter	3.65	2.39	1.46	11.35	22.05
LSF	Intra	4.24	5	3.79	11.25	22.2
LSF	Inter	4.09	4.29	3.79	11.25	22.2
RR	Intra	2.92	2	0.97	9.1	16.5
RR	Inter	3.05	1.75	0.97	9.1	16.5
LR	Intra	3.02	2.53	1.54	8.5	15.7
LR	Inter	3.25	2.41	1.54	8.5	15.7
Total	Intra	23.04	12.25	5.47	70.35	131.6
Total	Inter	23.75	11.69	5.47	70.35	131.6

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; mean score mean strength score between two rating, BA Req Change Required changed based on 95% confidence intervals of BA analysis (see description in text), MDC Minimum detectable change, Healthy Score strength measures from previous study of healthy subjects. All strength values expressed in kgf

ISSN: 1471-2474