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Subspine Impingement

Technique for Arthroscopic Decompression

Putnam, Jill A., MD*; Patel, Karan A., MD; Hartigan, David E., MD

doi: 10.1097/BTO.0000000000000306
Special Technical Articles

The anterior inferior iliac spine (AIIS) is a newly recognized etiology of extra-articular hip impingement. The purpose of this article is to describe an arthroscopic technique for AIIS decompression causing extra-articular hip impingement. Arthroscopic decompression of subspine impingement is a novel procedure that can be used to successfully relieve hip pain and improve hip function and range of motion cause by AIIS impingement.

*Department of Orthopaedics, University of Arizona College of Medicine

Department of Orthopedics, Mayo Clinic, Phoenix, AZ

The authors declare that they have nothing to disclose.

For reprint requests, or additional information and guidance on the techniques described in the article, please contact Jill A. Putnam, MD, at or by mail at Department of Orthopaedics, University of Arizona College of Medicine, 1320 N 10th Street, Suite A, Phoenix, AZ 85006. You may inquire whether the author(s) will agree to phone conferences and/or visits regarding these techniques.

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