Muscle Memory - Pros and Cons
The myth that your muscles have memories is one of the most persistent in sports. Your muscles don't have brains, so they can’t remember anything. However, repeating a movement hundreds of times in a row does create fatigue—which decreases motor skills. The real process that occurs when you repeat a movement over and over is adaptation: Your body changes in response to exercise. To prevent the negative effects of repetition, change up your workouts and get better results!