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 …