As a prelude to the lesson, I began by calling a student volunteer to the front of the room. As it happened, it turned out to be the tallest student in the class. I asked him to show how high he could reach. He went over to the wall and rested his verrry long arm […]

Items needed a sling or brace Have a volunteer come up and put his/her arm in a sling then stand there while you give the rest of the object lesson. Ask the group or volunteer: What would happen to your arm if you left it in this sling and didn't use it for a year? […]