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Medical Term:

angle of retroversion


the angle formed by a line drawn through the center of the longitudinal axis of the neck and head of the humerus meeting a line drawn along the transverse axis of the condyles, when the base is viewed from above, looking straight down from above the head of the humerus; the normal angle of retroversion of the humerus is between 20 and 40 degrees.

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.