Yeah, i would agree with ya there Spatts. The equation/set-up you used is one i have heard of before, and it usually yields a higher calorie amount than just simply multiplying your bodyweight by 12, but i have not seen too many people go catabolic with the 12 X's method. Usually if it is off, it is not by much, thus they can add or subtract a little at a time until they find their optimal level. One thing that happens though on a hypocaloric diet is that thyroid conversion of T4---->T3 is usually decreased. the only real options are to add exercises, decrease calories, add T3, and of course, if she isn't using any thermogenics, then they would help as well (they aslo will help with hunger too). Even then, some people have to stop dieting for a week to have their thyroid conversion function properly again. I don't think she has reached that point of stopping her dieting for proper thyroid function yet though. Actually, a lot of people find that they are still not catabolic even at a caloric level of 10 X's their bodyweight. I usually go with the highest amount of calories I can which will allow me to loose fat, then when this is no longer efficient, I will lower my calories a bit. My calorie levels usually go like this: BW X 14...until no longer efficient, BW X 12..., BW X10.... If I am not losing any more fat at 10 X's my bodyweight, then i either add T3 and increase my calories to 12 X's, or i will increase my calories to around 18 X's for a week to help restore thyroid function. Of course, I use the hell out of thermos
One thing i have not really had time to research on is the whole LEPTIN situation. It is something i am gonna have to do after my semester is over. I know that on a Keto diet, one of its downfalls is that it will decrease leptin, thus this is why it is important to have a carb-up. This may also be what is happening on a low-hypocaloric diet as well, thus is the reason for the weeks overfeed to get things working properly. This may also be why Lyle McDonald is configuring/experimenting with Cyclic Isocaloric dieting...and explains why people like Wilson and MS get great results as well with themselves and clients (Their high carb/high protein/highfat cycleing etc...)...i don't know
Maybe MS or Par Deus can add something about the Leptin situation, as they probably (well, I know) have more knowledge about the subject than I do right now
About the LBM thingy...If i am not going to do a calorie limit of 10 X's my bodyweight, then I usually will use LBM of my weight X 12. But i have found that the just using my overall bodyweight is also effective. I don't really start worrying about that until I get into single digits. I normally will not go to 10 X's my LBM unless I am towards the end of my dieting cycle as this amount of reduction is generally not necessary until then. However, if one finds that they are not losing muscle at this amount, then it would to use. When you start getting to this level, you really have to have a feel with your own body, and that is generally impossible to evaluate over the net...LOL. Hopefully I made sense...LOL.
BMJ