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.
Gold was found there during the 1874 Black Hills Expedition, conducted by the 7th Cavalry led by Lt. Colonel George Armstrong Custer, a discovery which initiated the Black Hills Gold Rush. For thousands of years, the Black Hills had been part of the territory of varying tribes of indigenous peoples.