Fig. 2 Hypothesized interrelationships between bone, muscle, and adipose tissue in the osteosarcopenic syndrome. IMAT, intramuscular adipose tissue; GH, growth hormone; IGF, insulin-like growth factor I; ROS, reactive oxygen species. Adapted from Zamboni et al. [35], Ezzat-Zadeh et al. [44], and Roubenoff [33]