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Anterior-superior internal impingement of the shoulder: an evidence-based review.

Raffaele Garofalo, Jon Karlsson, Ulf Nordenson, Eugenio Cesari, Marco Conti, and Alessandro Castagna

Knee Surg Sports Traumatol Arthrosc 18(12):1688-93 (2010) PMID 20700579

Internal impingement syndrome is a painful shoulder condition related to the impingement of the soft tissue, including the rotator cuff, joint capsule and the long head of the biceps tendon and glenoid labrum. Two types of internal impingement syndrome can be differentiated: posterior-superior impingement and anterior-superior impingement (ASI). The aetiology of ASI in particular is not clear. The purpose of this paper is to discuss the different aetiological theories relating to ASI, try to clarify the clinical, radiological and arthroscopic findings and, finally, suggesting treatment for this complex shoulder syndrome.

DOI: 10.1007/s00167-010-1232-z
Version: za2963e q8za9 q8zb5 q8zce q8zd3 q8zea q8zf7 q8zg2

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