But that can lead to shoulder pain and permanent swelling of the arm.

VOA: special.2011.03.23

The old man put his arm around her shoulder.

VOA: special.2009.02.28

"On station one,we have robot arms. And what happens is the robots have different joints like a human arm -- one at the shoulder,one at the elbow, wrist and then a claw.

VOA: special.2010.07.28