An analogy that comes to mind - physical exercise. When you are stopped doing exercise (e.g. running at a traffic light), people often will jog in place. Obvious reasons - keep heart rate from large deltas, muscles warm/responding well, etc.
If you watch competitive PC gaming, you will notice that even professional gamers will often 'spam' their hotkeys in low activity periods, typically the beginning of games. Some people claim that it is simply for actions-per-minute stats, but I could see it as some kind of setting of mental/physical cadence.
If you watch competitive PC gaming, you will notice that even professional gamers will often 'spam' their hotkeys in low activity periods, typically the beginning of games. Some people claim that it is simply for actions-per-minute stats, but I could see it as some kind of setting of mental/physical cadence.