Fig. 1From: Acute skeletal muscle wasting and dysfunction predict physical disability at hospital discharge in patients with critical illnessChange in rectus femoris and tibialis anterior muscle size and quality in first seven days of ICU stay. Panel (a) percent change of muscle layer thickness; panel (b) percent change of muscle cross-sectional area. (c) Percent change of echo intensity from day 1 to 7. d = days, RF = rectus femoris muscle; QC = quadricep complex muscles; TA = tibialis anterior muscleBack to article page