INS and type 2 diabetes mellitus: These results are consistent with those of Smith et al [32] and the fact that visceral fat (omentum and mesenteric fat) comprises only ~20% of total body fat in man [29]; (iii) BMI, FM, SF, SSF, DSF, and VF all were inversely correlated with peripheral (muscle) insulin sensitivity in male subjects with T2DM, while the VF/SF ratio did not correlate with the peripheral insulin sensitivity.