What are rotator cuff injuries (RTC):
The rotator cuff is a powerful group of three muscles are essential for normal shoulder motion. A fall, sudden movements or repetitive activities can cause a tear of the muscles.
The rotator cuff is a powerful group of three muscles are essential for normal shoulder motion. A fall, sudden movements or repetitive activities can cause a tear of the muscles.
The three muscles are the subscapularis, supraspinatus and the infraspinatus. In addition to showing the placement of the arthroscopy portals, Figure 1 shows the way the muscles wrap around the head of the humerus to control rotation.
*Figures courtesy of Principles of Hand Surgery and Therapy by Thomas E. Trumble, MD, Ghazi M. Rayan, MD, Mark E. Baratz, MD and Jeffrey E. Budoff, MD