I think it is possible to put on lean muscle mass while maintaining or losing body fat, well if you maintain the some amount of body fat while gaining then your you BF% will of course drop seeing as it is a percentage of your overall weight.
I personally have managed to gain muscle mass while retaining the same amount of bodyfat. I feel loosing and gaining at the same time while technically possible does not work out to be the most efficient way of bodybuilding. Getting the balance right is just too damn difficult so the majority of people me included use the scatter-gun approach and make sure our bodys have more than calories enough to grow and when cutting reducing well under our BMR to speed up the fat loss.
Seeing as most people are only on a cycle for 8-10 weeks we don't want to getting envoled with trail and error with or diet to get the optimum balance and waste valuable growing time.
My opinion
Starski
I personally have managed to gain muscle mass while retaining the same amount of bodyfat. I feel loosing and gaining at the same time while technically possible does not work out to be the most efficient way of bodybuilding. Getting the balance right is just too damn difficult so the majority of people me included use the scatter-gun approach and make sure our bodys have more than calories enough to grow and when cutting reducing well under our BMR to speed up the fat loss.
Seeing as most people are only on a cycle for 8-10 weeks we don't want to getting envoled with trail and error with or diet to get the optimum balance and waste valuable growing time.
My opinion
Starski