The Muscle that Unlocks the Knee: Screw Home Mechanism Explained | Corporis

While it seems like our knees move in a straightforward way (bending and straightening), your tibia actually rotates a little bit through the last few degrees of extension. This is called the screw home mechanism. In this video, I'll show you how it works.

☠️NONE OF THE INFORMATION IN THIS VIDEO SHOULD BE USED AS MEDICAL ADVICE OR OPINION. IT IS FOR GENERAL EDUCATION AND ENTERTAINMENT☠️

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📜 S O U R C E S 📜
A full annotated, fact checked version of the script can be found here:
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💊A B O U T 💊
Hi, I’m Patrick. I’m a freelance science writer based in the San Francisco Bay Area. I hold a bachelor’s degree in Athletic Training and a master’s in clinical exercise physiology. I used to work in the clinical setting as a certified athletic trainer, physical therapy aide, and a certified strength and conditioning specialist. After working in the clinical setting, I went back to school and became a teacher. The goal of my content is to help normal people, not just pre-med students, learn about the human body. That might mean explaining a topic from an anatomy class or exploring a topic from medical history.

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