person 1: dude, my broom sweeping arm is aching person 2: what happened? person 1: i played squash for 2 hours person 2:
the arm that is used for repetitive action
"person 1: dude, my broom sweeping arm is aching person 2: what happened? person 1: i played squash for 2 hours person 2:" What is the definition of "broom sweeping arm"?