ELI5: Explain Like I'm 5

Recovery effect

When you do something over and over again, like running, your body starts to get tired. This is called fatigue. When you stop running and take a break, your body starts to rest and recover. This is called the recovery effect.

During the recovery effect, your body repairs all the tiny tears in your muscles caused by running. It also replenishes the energy stores in your muscles so they are ready for the next time you run. This is why resting between workouts can help make you stronger and faster.

The recovery effect can also help improve your brain function. When you learn new things or work on a difficult task, your brain gets tired too. Taking a break can help you feel refreshed and ready to learn more. So, taking breaks and allowing your body and brain to recover is important for staying healthy and performing your best.