Yet in recent years, scientists have discovered that our muscles themselves have a memory for movement and exercise. When we move a muscle, the movement may appear to begin and end, but all these little changes are actually continuing to happen inside our muscle cells. When we move a muscle, the movement may appear to begin and end, but all these little changes are actually continuing to happen inside our muscle cells. Sharples’s research focuses on what’s called epigenetic muscle memory. In other words: Your muscles remember how to do it.