ELI5: Explain Like I'm 5

Muscle hypertrophy

Hey kiddo! Do you like playing with Play-Doh? Imagine your muscles are like Play-Doh. When you play with Play-Doh, you can change its shape by squishing and molding it with your hands, right?

Now, let's talk about something called "muscle hypertrophy". This is when you make your muscles bigger and stronger by doing exercises like lifting weights or bodyweight exercises, similar to how you can make different shapes with Play-Doh.

When you exercise, your muscles get tiny little tears in them. It sounds scary, but it's actually a good thing because your body repairs these tears and makes those muscles even stronger than before. Kind of like how you glue pieces of Play-Doh back together and they become stronger!

Over time, if you keep exercising and challenging your muscles, they will continue to get bigger and stronger. Just like how you can create bigger and more elaborate Play-Doh creations the more you practice, your muscles get bigger and stronger the more you exercise them.

Cool, huh? Just remember to always listen to your body and use proper form when exercising, and you'll be on your way to having bigger, stronger muscles in no time!