Fig. 3

Muscle segmentation and measurement. Female, 53 years old, BMI 27.34, SMA 101.81cm², SMD 30.42HU, IMAT 4.89%, SFA 166.99cm², SFD − 99.88HU, IMAC − 0.30. Measurement of SMA (a), SMD (a), IMAT (b) of the SM at L3 level. SFA (c) and SFD (c) was displayed at L3 level by Image J.