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[[File:Collesfracture.jpg|thumb|Distal radius fracture]]{{AuthorsTop

[[File:Dorsal tilt of distal radius fracture.jpg|thumb|160px|Fracture with a dorsal tilt: Dorsal is left, and volar is right in the image.]]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 going 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 The axial plane of radius: Represented by a line that is perpendicular to the diaphysis 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> Although this is generally the definition of dorsal or volar tilt, an alternative measure is a comparison to ''normal anatomical position'' of the articular surface of radius (which normally has a volar tilt of 11° to 12°). This is preferable to use in fractures with a dorsal tilt of up to 11° from normal anatomical position.<ref group="notes">Using the axial plane of the radius in such cases would result in a "volar tilt", which is contrary to the actual disease mechanism.</ref>

Although this ===Radial inclination===Radial inclination (also called ''radial angulation'') is the standard definition angle measured between:<ref>{{cite web|url=http://emedicine.medscape.com/article/398406-overview|title=Distal Radial Fracture Imaging|author=Jack A Porrino, Jr|date=2015-10-20|accessdate=2016-12-18|website=[[Medscape]]}}</ref><ref>{{cite journal|url=http://www.ijoonline.com/article.asp?issn=0019-5413;year=2016;volume=50;issue=6;spage=610;epage=615;aulast=Mishra|title=Morphometry of distal end radius in the Indian population: A radiological study|author1=Pankaj Kumar Mishra |author2=Manoj Nagar |author3=Suresh Chandra Gaur |author4=Anuj Gupta |year=2016|volume=50|issue=6|journal=Indian Journal of Orthopaedics}}</ref>#A line drawn between the distal ends of the articular surface of the radius on an AP view of dorsal or volar tilt, the parameter can be interpreted by clinicians as being in relation wrist.#A line that is perpendicular to the diaphysis of the radius.<gallery>File:Radial angulation.jpg|'''normal anatomical positionRadial inclination'' of '.<ref name=Beumer2013/></gallery> Radial inclination is normally 21-25°.<ref>[https://books.google.com/books?id=q3_EthzU3dcC&pg=PA783 Page 783] in: {{cite book|title=Diagnostic Imaging for the articular surface of Emergency Physician|authors=Joshua Broder|publisher=Elsevier Health Sciences|year=2011|isbn=9781437735871}}</ref> ===Other important measures===[[File:Ulnar variance.jpg|thumb|160px|'''Ulnar variance''': Normally between -4 mm (ulna shorter than radius ) and +2 mm (which normally has ulna longer than radius).<ref name=Beumer2013>{{cite journal|last1=Beumer|first1=Annechien|last2=Adlercreutz|first2=Catharina|last3=Lindau|first3=Tommy R|title=Early prognostic factors in distal radius fractures in a younger than osteoporotic age group: a volar tilt multivariate analysis of 11° to 12°)trauma radiographs|journal=BMC Musculoskeletal Disorders|volume=14|issue=1|year=2013|issn=1471-2474|doi=10.1186/1471-2474-14-170}}</ref>]]*Displacemen in other directions*Comminuted fracture, particularly if it has intra-articular involvement*Other skeletal fractures, and should therefore be specified as shown in reportcommonly a loose ulnar styloid process.

*Any If volar or dorsal or volar tilt, the ::*The degree thereof, and that :*That it is it in comparison to the axial plane of radius (to avoid mixup with being in relation to the ''normal anatomical position'')*Any additional complicating factors such as being comminuted or displaced by other means*Other skeletal fracturesabnormal important features, commonly a loose ulnar styloid process.if present<P>{{Reporting}}

==References=={{reflistBottom}}