Circle them clockwise and counter clockwise. Work your elbows. Pretend you are lifting weights, curl your arms in and out. Circle your arms, working your shoulders. Circle forward and back.
Shoulder rolls forward and back.
You can also pretend that you have a hard to hold horse, take the reins in your hands and pull back then move forward. Circle your neck. Those with neck problems should make sure you do not over stretch at this point. Just get your neck limber. Instead of circles, you can lean your neck to the right - try to touch your right ear to your right shoulder.