I am just starting out on the whole work-out things (after going on and off). I have questions on weight lifting for arms. Say I just started to do serious weight lifting this past Monday. I wanted to start out slow to get used to it so I didn't go to gym or anything like that. I weight lift for my arms, the one where you sit, pull up weight up and down. I got sore the next day, even more so two days later. Should I work out my arms when it is somewhat sore? Should I just do weight lifting (one way) on my arms two times a week for 3 weeks to get used to it and then I can start working out heavy (by that, I mean going to gym and use anything that works on my arms)? This apply to every muscle group as well.