Reliability of three landmarking methods for dual inclinometry measurements of lumbar flexion and extension

Table 2 ICCs for intra-rater reliability (Between sets)

Land marking technique	Raters	Flexion	Extension
*Method 1-* PSIS to L1	A	0.80	0.89
*Method 1-* PSIS to L1	B	0.81	0.90
*Method 2* – PSIS to cephalad 10 or 15 cm	A	0.90	0.93
*Method 2* – PSIS to cephalad 10 or 15 cm	B	0.85	0.84
*Method 3* – PSIS to 15 cm cephalad	A	0.88	0.94
*Method 3* – PSIS to 15 cm cephalad	B	0.78	0.89

ISSN: 1471-2474