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Rotator cuff tears of the shoulder affect millions of Canadians, especially seniors. In fact, the incidence of rotator cuff tears is nearly 30% in people over the age of 60 years. The tears can lead to significant pain and shoulder instability, interfering with the ability for self-care and functional independence. When there is a tear of the rotator cuff, the architecture of the muscle and tendon change. This in turn impacts the function of the muscle. Dr. Soo Kim is attempting to gain an in-depth understanding of the architectural and functional changes.

Dr. Kim is integrating two novel methods: three-dimensional computer modeling and real-time ultrasound imaging. Working with a multidisciplinary team with expertise in anatomy, medical imaging, and orthopaedics, she intends to fully define the changes in muscle and tendon architecture that occur in older adults with rotator cuff tears.

By investigating the detailed muscle and tendon organization of the torn rotator cuff muscle, Dr. Kim hopes to improve rehabilitation protocols for shoulder injuries, prevent or reverse shoulder muscle changes, better identify appropriate candidates for surgery, and better predict force changes that occur with pathology and repair.

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