Sorry I should have clarified ny situation more. I'm not really fat, I'm 5'11" - 165lbs but my arms are skinny, and I just dont look good or muscular at all. Has anyone been in the same situation? Will loading make me look stronger, or just skinner?
Just eat well like calories to burn, protein to replace and other intakes of a healthy nature to substain a track towards a healthier looking body.
Very good points Orly. If OP is not looking to lose weight, but to actually avoid getting skinnier and to add muscle, he needs:
1. protein to build muscle--protein is what muscle is composed of. Nitrogen retention is required for muscle growth. Nitrogen loss is what leads to muscle loss (catabolic state)--you accomplish an anabolic (muscle-building) state via nitrogen retention and this is done by consuming sufficient protein for muscle repair. Aim for 1 gram of protein per lb of bodyweight.
and
2. Adequate calories to prevent weightloss. Without sufficient calories, your body may cannibalize its muscle tissue for energy--especially if you are already low in bodyfat. So getting enough calories daily will spare your muscle from being used for fuel.
If you're not seeing the development in your arms like you want from lifting packages, then consider exercises specifically targeted for the areas you want to build (bicep curls, hammer curls for biceps, tricep kickback and extensions for triceps, shoulder presses, lateral raises, front raises for shoulders). Here is a directory of muscles and exercises for each muscle group as well as short video clips showing the exercises:
http://www.exrx.net/Lists/Directory.html