This study is being conducted to better understand how the nervous system contributes to shoulder pain and rotator cuff injuries. Findings may help improve future diagnosis and treatment approaches for individuals with chronic shoulder pain.

You may be eligible for this study if you meet the following criteria.

Inclusion Criteria:

• Aged 40-80
• Experiencing shoulder pain
  
  

Exclusion Criteria:

• History of shoulder surgery on the painful shoulder in the past year
• History of shoulder fracture in the past year
• History of frozen shoulder in the past year

Participants will complete up to four in-person visits at the University of Florida Health Science Campus. The first visit includes a brief ultrasound screening. If eligible, additional visits may include brain and shoulder MRI scans, a pain sensitivity assessment, a blood draw, questionnaires, and a motion analysis evaluation using sensors to track shoulder movement. Study procedures take about 7 hours total and can be completed in one day or spread across multiple visits. Follow-up questionnaires will be completed remotely at 6 and 12 months.

Yes, participants can receive up to $590 in Amazon gift cards for completing study procedures and parking is included. Snacks and water will also be available during visits.

Study procedure payments:

• Screening = $25
• Brain MRI = $125
• Shoulder MRI = $125
• Blood Draw + Pain Assessment = $125
• Shoulder Motion Analysis = $150

There is no cost for you to participate in our research study.