low body fat percentage
I've been exercising 5-6 times (mostly P90X and occasionally running 3-4 miles) since September. I'm not looking to lose weight, just to get into great physical shape. I've got a small frame and have always been thin. I'm actually at my heaviest now (115lbs). I'm female, 5'5" and 25 years old. I've gained about 5lbs (in…