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The contact areas of the articular surfaces in the proximal radioulnar joint (PRUJ) change, depending on the rotational position of the forearm. We investigated the in vivo congruency index of the PRUJ and translational motion of the radial head relative to the lesser sigmoid notch with forearm rotation.Computed tomography scans of 12 healthy adult elbows were obtained in 3 forearm positions: full...
To quantify the articular surface area ratio of the radial head to the coronoid process to gain a better understanding of the stress distribution across these articulations and possibly to explain the patterns of osteoarthritis that are commonly seen in the elbow.Thirty cadaveric elbows were harvested and dissected to allow measurement of the radial head and coronoid process articular surfaces. The...
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