Fig. 1From: Longitudinal study of MRI and functional outcome measures in facioscapulohumeral muscular dystrophya Barplot of baseline muscle fat fractions (in gray) with overlay of change in fat fractions (in blue). Horizontal dotted lines at % change 10th, 25th, 75th and 90th percentiles (values of − 0.03, − 0.01, 0.03 and 0.10). 50th and 75th percentiles for baseline fat fraction were 0.10 and 0.34, respectively. b Percentage of muscles within each 10% bin at baseline that have an increase of greater than 0.1 or 0.2 at follow-upBack to article page