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Investigating Rotator Cuff Treatment Options

Investigating rotator cuff treatment options

University of California, San Francisco
San Francisco, CA Dr. Brian Feeley

At UCSF, the National Stem Cell Foundation partnered with the Orthopaedic Research and Education Foundation to support the work of Dr. Brian Feeley. Rotator cuff (RC) tears are the most common shoulder injury, affecting up to 50% of the population over 65. After injury and repair, changes in the muscle can influence clinical outcomes.

Dr. Feeley is working with a newly discovered muscle stem cell population to investigate new treatment options and improve clinical outcomes for these debilitating injuries.



Dr. Feeley received his Bachelor of Science degree from Stanford University and his Medical Degree from Stanford University School of Medicine before serving his residency in the UCLA Department of Orthopaedic Surgery. He completed a sports medicine and shoulder fellowship at the Hospital for Special Surgery in New York City, where he also served as an assistant team physician to the New York Giants.

Dr. Feeley’s clinical focus is on athletic injuries of the shoulder and knee and the use of minimally invasive/arthroscopic procedures to treat these problems. In the shoulder, he treats rotator cuff tears/impingement, shoulder instability and labral tears, clavicle fractures, shoulder arthritis and shoulder replacement with reverse shoulder arthroplasty. In the knee, he treats ACL and other ligament injuries, meniscus tears, cartilage injuries, and early arthritis.

In the shoulder, he is researching the molecular mechanisms that are responsible for the development of muscle atrophy after rotator cuff tears. He is evaluating how stem cells residing within the muscle result in changes to the muscle tissue, and how to stimulate these cells to differentiate in ways to improve muscle function.

In the knee, he is evaluating techniques to use low cost motion analysis to improve lower extremity kinematics and decrease injury and re-injury risk after injuries and surgical procedures.

He has published over 120 peer reviewed articles, review studies, and book chapters, as well as a book on rotator cuff injuries.


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