@Mame,
I got my shoulder excercises from jlnobody. Got lazy and sent them on to George, but these were for more or less frozen shoulders. I don't think they would be appropriate for torn rotator cuffs.
Anyway, the time and pain was all out of proportion to the marginal improvements. I saw your thread on the topic, and stayed out just because that was a time when ignorance could be darn dangerous.