The most important thing you can have her do right now is to stop walking, and cut her back to 2 days a week. She's only got so much gas, and you need to think carefully about where to burn it. How much benefit does she get from walking vs. getting stronger? The people at the Y are no more qualified than you are to decide this, and she is your gal. She's tired at the end of all this shit, and we don't want her tired -- we want her stronger. Do the same stuff without the walking twice a week for 2 weeks and see how she feels. You will have to microload all of this, so tool up.