The purpose of this study is to examine the rotator cuff muscles in your shoulder at one and two year post total shoulder replacement surgery.
age >45yrs
primary diagnosis of osteoarthritis of the shoulder
total shoulder replacement performed by Dr. Armstrong
administered a local anesthetic mixture and not regional anesthesia
Known contraindications to CT/EMG
Inability to provide informed consent
History of recent trauma to the shoulder
Atypical shoulder pain
Milton S. Hershey Medical Center
Lead sponsor
Penn State Health Milton S Hershey Medical Center
Sponsor institution