Move the head and move the shoulders.
Stretch your arms behind your back or you raise your arms over your head.
If it posible you walk a little.
Hold a fist for 2 to 3 seconds, then hold fingers stretched for 2 to 3 seconds.
Rotate the thumbs both Clockwise and Counter-clockwise.
Extend arm in front, palm up and grab fingers with other hand. Gently pull hand down to stretch the forearm. Repeat other side.