Muscle gain with minimal fat...

I guess I'm one of the few people who is looking to put on some weight.

After years of eating disorder which has left me with a BMI of 15.6, 12-13% body fat, saggy boobs at the age of 18, a deflated bum, and chicken arms - I have finally had a wake up call. 2 years ago I was BMI 18, boobs size 28H - do you guys think I will get my boobs back? or is that just an impossible dream...?

Before summer I had a six pack, but traveling during summer and the plunge back into school really hit me and I lost ALOT of muscle mass.

I'm scared of the changes to my body. That's why I want to inform myself as much as possible about how to gain muscle weight with minimal fat, how to best exercises to encourage muscle growth and what exercises to do. I have an idea...but I really need something concreate. I can do 2-3 sets of 20reps of almost all exercises I have come across (tricep dips, bicept curls, launges, reverse sit ups, cruches, wide squats(sometimes I just hold this oen for 30secs) So I wouldnt say I'm a beginner....

I'm willing to invest in weights and such and I can go to the gym once a week (free from school). I just need someone to help me figure out what to do.

Also, I'm a bit anxious about nutrition. I dont want to go back to routine and staple foods and such. I have done so much work on intuitive eating, but some guildlines would be appreciated. For example, my BMR is 1500cals, how much over that should I eat to encourage muscle gain and how many servings of protein a day? I'm scared of sudden change, but if suddens change means more muscle then I'm willing to take the challange.

I used to log everything down (cals protein fats carbs) online...but I really dont want to get back to that.
 
I'm aware its alot of information and time I'm asking of you, but I promise it would truly not be waste - I am an A grade student! :)

Hey ILY,
I got these the same day but was not able to come by til now, sorry for delay - but I was able to nail down some posts in your thread at fitness figure, and glad you posted there so that the great group here was able to jump on some answers so you were not waiting.
check it out.....

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