In the case of the shoulder, this refers to the arm swinging out from the side of the body, in an arm-flapping motion. Range of motion is measured with the palm facing the side of the body and the arm held straight.
Black Diamond is a city in King County, Washington, United States. The population was 4,151 at the 2010 census. Based on per capita income, one of the more reliable measures of affluence, Black Diamond ranks 64th of 522 areas in the state of Washington to be ranked. Black Diamond was officially incorporated on February 19, 1959.
Black Thunder Coal Mine. The Black Thunder Coal Mine is a surface coal mine in the U.S. state of Wyoming, located in the Powder River Basin which contains one of the largest deposits of coal in the world. Black Thunder is the second most productive mine in the United States, providing the U.S. with eight percent of its coal supply.