Baumann's angle is formed by the perpendicular to the humeral shaft and the line parallel to the lateral condyle. [3] (Fig. 1) This is usually about 15°, but it may vary with gender and ...

These fossils include a keystone fossil, the distal shaft of an adult humerus (lower half of the upper arm bone). “When I first saw the small humerus, I thought it was a child’s bone ...