Fig. 1From: Three-dimensional comparison of intramuscular fat content between young and old adultsT1-weighted magnetic resonance images showing the three traced muscle groups, from women aged 71 years (a, c) and 21 years (b, d). (c) and (d) are binary images using thresholding technique. QF quadriceps femoris, HM hamstrings, AD adductor. Scale bar, 5 cmBack to article page