How do common sports injuries like leg fractures occur and heal?

A leg fracture happens when a force is so strong it breaks one of your bones, like when you trip and crash into a wall.

Imagine your leg is made of a big, strong stick. If you run really fast and then fall down, that stick might snap in two, just like how a pencil can break if you bend it too much. That’s a leg fracture!

Sometimes the bone breaks completely, and other times it just cracks a little bit. Either way, your leg feels sore and won’t work as well as before.

When a bone is broken, it needs time to grow back together, like when you spill juice on a shirt and let it dry. Your body sends special helpers called healing cells to the spot where the bone broke.

These little helpers build new bone around the break until it’s strong again. A cast or a boot helps keep your leg still so the bone can heal properly, just like how you need to leave a cookie in the oven until it's done baking!

After some time, usually a few weeks, your leg will feel better and you’ll be able to run and play like before!