Overview
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.
Eligibility
Inclusion Criteria:
- 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
- all genders
- Fluent in written and spoken English
- Patients capable of giving informed consent
Exclusion Criteria:
- Known contraindications to CT/EMG
- Inability to provide informed consent
- History of recent trauma to the shoulder
- Atypical shoulder pain
- Other suspected shoulder pathology (i.e. tumor, infection)
- Pregnancy
- Bilateral total shoulder arthroplasty