Evaluation of limb muscle and diaphragm atrophy in critically ill patients - Limb muscle and diaphragm atrophy

Biceps brachii thickness and cross-sectional area decreased by 6.5, 11.0, and 13.2% (p < 0.01), and by 8.3, 11.1 and 16.9% on day 3, 5, and 7 (p < 0.01), respectively (Fig. 1). Rectus femoris thickness and cross-sectional area decreased by 7.4, 11.1, and 18.8%, and by 8.7, 13.7, and 20.7% on days 3, 5, and 7 (p < 0.01), respectively.