5 Hormones That Impact Muscle Growth and How They Work - Cathe Friedrich Exposing your muscles to progressive overload through weight training is the stimulus that causes them to grow, but there are a number of “key players” behind the scenes that influence how much return you get on your weight training investment
How Much Glycogen Can Your Body Store? • Cathe Friedrich Glycogen is a form of carbohydrate that your body stores in your muscles and liver During exercise, especially high-intensity exercise, muscles tap into this storage form of sugar to produce ATP, the energy currency muscles need to contract