Another one is an arm action, usually performed by the man.
His bowling was characterised with a long run-up and a high arm action.
The eldest daughter is causing some concern as she joins in the singing and does the correct arm actions etc.
As a bowler he was fast with a round arm action.
He extracted a lot of bounce from his high arm action, coupled with his height.
Many karateka get this wrong and make use only of the arm action.
It was a combination of shoulder action, arm action, and leg action.
"He's got exactly the same arm action with his fastball as his changeup," he said.
Our scouts say his arm action is as good as it was before he went to Coors.
You got a nice arm action there, pal.