Understanding the Convex-Concave Rule 🧠

If joint mechanics have ever left you feeling confused, this video is for you.

In this episode, I break down the convex–concave rule in a way that actually makes sense — so you can apply it in real-life treatments, not just pass your exams.

You’ll learn:
🔄 The difference between osteokinematics and arthrokinematics
🧠 How to figure out which direction the joint surface glides based on shape
📍 Examples using the shoulder (GH) and hip joints

This is one of the most misunderstood — but most important — concepts in orthopedic assessment and manual therapy.

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