Originally Posted by Povl Carstensen
I think you should remember to only do extension untill the back feels good. Flexion is more for "maintenance" once the back is ok, imo. Too much or wrong flexion is often what causes the problem.
This seems somewhat at odds with most other back programs, yes? It seems to me that there are many, many exercises that include some form of flexion in various 'help your back' routines, including yoga.
Disregard all that in your opinion?