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.
Print. The rotator cuff is a group of muscles and tendons that surround the shoulder joint, keeping the head of your upper arm bone firmly within the shallow socket of the shoulder. A rotator cuff injury can cause a dull ache in the shoulder, which often worsens when you try to sleep on the involved side.rint. The rotator cuff is a group of muscles and tendons that surround the shoulder joint, keeping the head of your upper arm bone firmly within the shallow socket of the shoulder. A rotator cuff injury can cause a dull ache in the shoulder, which often worsens when you try to sleep on the involved side.