I like to stretch. It’s the first thing I do when I wake up, usually accompanied by a faint squeal.
And then again, nearly every 2 hours, I stand up at my desk and do a stretch similar to the one depicted below.
It’s the best. Here are some other ideas of stretches appropriate for the work place.
Things I Like 
Your stretching is why you are exactly 5’3″ tall. Otherwise, you would be 5’2 1/2″ tall, I believe.