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 Mountain is located in Cave Creek, Arizona, just north of Scottsdale, near Phoenix. A less visited Phoenix area mountain, this is the place to go when you can't find parking at Camelback or Piestewa Peak. It is just a walk up that takes 1 to 1.5 hours. At the top you'll see great views of the area and the surrounding mountains. It's about an 1100 ft elevation gain and 2.2 miles round trip.