stretch

For those of us working office jobs, (even police have to deal with paperwork), how do you take breaks and keep fit at your desk despite being forced to remain sedentary? What I do is to stand up and stretch every hour. I also keep a pair of fine grippers nearby so I can exercise my hands...

...what would you be? I would want to be an eagle or a falcon, because I have always dreamed of flying. To be able to stretch my wings and soar among the clouds would be very wonderful experiences.