Debunking Myths and Exploring Body Fuel Sources

The chapter debunks myths surrounding the body's fuel sources during exercise, particularly addressing the misconception of muscle liquefying during fasted cardio. It emphasizes the importance of understanding different fuel sources like glycogen, glucose, and ketones, and delves into processes such as ketosis, fat oxidation, and gluconeogenesis. The discussion also covers muscle protein metabolism, explaining the complexities of measuring muscle protein synthesis and degradation.