What happens when you hit your knee hard?
In this 3D medical animation, we explain why your leg stops working for 10 seconds after a direct hit to your patellar tendon. This is called muscle inhibition and it is your brain's emergency protection system.
This video explains human body science in simple 3D cartoon style.
⚠️ Disclaimer: This video is for educational purposes only and shows a 3D animation.
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