Colour words in Japanese. Words for colours in Japanese with notes on their etymology and usage. é» / é»ã (kuro / kuroi) / ãã©ãã¯ (burakku). Shades of black and black-related expressions. 1  å¢¨è² (sumi-iro) - ink black. 2  æ¿¡ãç¾½è² (mureba-iro) - jet black. 3  é»é» / é»ã (kuroguro) - deep black. 4  çã£é» / çé» (makkuro) - pitch black.
The rotator cuff muscles are the dynamic stabilizers and movers of the shoulder joint and adjust the position of the humeral head and scapula during shoulder movement. The rotator cuff muscles are anatomically associated with the scapula.
A rotator cuff strain is a tear to any of the four rotator cuff muscles in the shoulder and is common in throwing and racket sports. They are so called because their job is to rotate the arm at the shoulder and provide a supportive cuff around the joint. Rotator cuff tears can range from mild to severe.