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Table 3 ICCs for inter-rater reliability

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

Land marking technique

Flexion

Extension

Method 1- PSIS to L1

0.60

0.74

Method 2 – PSIS to cephalad 10 or 15 cm

0.66

0.76

Method 3 – PSIS to 15 cm cephalad

0.66

0.76