When we think about metabolic health, we often focus on body weight, blood glucose, cholesterol, blood pressure and body fat. But there is another important piece of the metabolic picture that we sometimes overlook - our muscles. Skeletal muscle is not simply the tissue that enables us to walk, lift, climb stairs and carry shopping. It is also a major metabolic organ. Muscle stores glucose as glycogen, uses large amounts of glucose and fatty acids for energy, responds to ins