Inclusion Criteria:

• Patient voluntarily consents to participate in the study and has the mental and physical ability to participate in the study, fill out subjective questionnaires, return for follow-up visits, and comply with prescribed post-operative physical therapy.
• Patient is between the ages of 18 and 100 years.
• The patients have a planned primary or revision implantation of an anatomic (hemi-arthroplasty or total arthroplasty) or a reverse shoulder prosthesis system manufactured by Arthrex.
• Patient has a standard of care preoperative CT taken within 6 months that has been submitted for Arthrex VIP (Virtual Implant Positioning) planning.

Exclusion Criteria:

• Patient has known intentions, obligations, or co-morbidity that would inhibit them from participating in the study.

Eligibility last updated 4/28/22. Questions regarding updates should be directed to the study team contact.