Fig. 7From: Musculoskeletal diagnostic ultrasound imaging for thickness measurement of four principal muscles of the cervical spine -a reliability and agreement studyBland & Altman Plot of LoA for the right Rcpm muscle showing agreement between the 4 raters for measurements of thickness on the same image. (N = 31 subjects, 124 ratings). The mean difference was calculated from the 6 pair of comparison of the different examiners and the mean thickness were calculated for the four ratersBack to article page