Been doing the pool since Dr. Whirlow told me to. Today's the first day of my new physical therapy, so I hope things will be better. Here's a sequence of yoga poses that help stretch the back body after all the strengthening exercises physical therapy asks you to do:
1)child's pose
2)cat/cow
3)downward facing dog
4)warrior II
5)triangle
6)half moon (a standing pose in which you link your hands over your head, lean left, lean right.
7)any good backbend. I do Camel.

These are probably not in an order that facilitates flow, but that's not what I'm after :-) After I do those, I find I can walk painlessly without the cane for a while.