It’s not just how much muscle you have—it’s what’s inside it that counts. Studies show that fat infiltration into skeletal muscle—known as myosteatosis—can turn strong-looking muscle into weak, dysfunctional tissue. This hidden fat lowers muscle quality, increases insulin resistance, and dramatically raises your risk of chronic disease and death. The takeaway? Strength training isn’t just about growing muscle—it’s about keeping it healthy, lean, and metabolically active. Quality muscle is surviv