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When Convex-Concave Rule Meets Clinical Practice

When Convex-Concave Rule Meets Clinical Practice  The convex-concave rule was developed by Freddie Kaltenborn.  It has been taught for decades as the way to explain the arthrokinematics of a joint.  It identifies that when the concave joint surface moves on the convex surface, rolling and gliding occur in the same direction.  Thus, if the concave …

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