The way our hormones respond to training, and how they affect our muscle growth, depends a lot on our nutritional status — not just how many calories we’re taking in. What is muscle growth? Muscle growth — sometimes known as hypertrophy — is the development of mass, density, shape, and function of muscle cells. This adaptation allows the muscle to meet exercise/function-induced stress. Muscle cells are sort of like a bunch of sticks bundled up for firewood. Myofibrils (“myo”, from the Greek![]()
