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.
In anatomy, the rotator cuff (sometimes incorrectly called a rotator cup, rotor cuff, or rotary cup) is a group of muscles and their tendons that act to stabilize the shoulder.