}}
==Planning==
===Indication===
Impingement syndrome can be diagnosed by a targeted medical history and physical examination,<ref>{{cite web|url=https://radiopaedia.org/articles/subacromial-impingement?lang=us|title=Subacromial impingement|author=Craig Hacking and Frank Gaillard|date=2019-03-06|website=[[Radiopaedia]]}}</ref><ref>{{cite web|url=https://stanfordhealthcare.org/medical-conditions/bones-joints-and-muscles/shoulder-impingement-syndrome.html|title=Shoulder Impingement Syndrome|website=[[Stanford University Medical Center]]|date=2019-03-06}}</ref> but it has also been argued that medical imaging, primarily [[projectional radiography]] ("X-ray") is a necessary part of the workup.<ref name="GarvingJakob2017">{{cite journal|last1=Garving|first1=Christina|last2=Jakob|first2=Sascha|last3=Bauer|first3=Isabel|last4=Nadjar|first4=Rudolph|last5=Brunner|first5=Ulrich H.|title=Impingement Syndrome of the Shoulder|journal=Deutsches Aerzteblatt Online|year=2017|issn=1866-0452|doi=10.3238/arztebl.2017.0765}}</ref>
===Method===
[[X-ray of the shoulder]] that should include:
* Frontal with and without external rotation of the shoulder