Changes

The dorsal or volar tilt can be described by an angle from the axial plane of the radius, shown in <font color=red>red</font> in the image at right, and goes between:<ref name="Piva NetoLhamby2011">{{cite journal|last1=Piva Neto|first1=Antonio|last2=Lhamby|first2=Fabio Colla|title=Fixação das fraturas da extremidade distal do rádio pela técnica de kapandji modificada: avaliação dos resultados radiológicos|journal=Revista Brasileira de Ortopedia|volume=46|issue=4|year=2011|pages=368–373|issn=0102-3616|doi=10.1590/S0102-36162011000400004}}</ref>

*A line drawn between the distal ends of the articular surface of the radius.

Sometimes, the diaphysis of the radius is hard to distinguish from the [[ulna]], and a line between them (<font color="turquoise">turquoise line</font>) may be used instead.<ref>{{cite web|url=https://radiopaedia.org/articles/colles-fracture|title=Colles fracture|author=Dr Paresh K Desai|accessdate=2016-12-18|website=[[:en:Radiopedia|Radiopedia]]}}</ref>