Originally Posted by Unforgiven
You aren't sore any more because you have purged your muscles of lactic acid. That is what causes muscle soreness. When you work out everyday it doesn't build up, so you don't get sore. OK, Pup's done trying to sound semi intelligent.
Actually, you are correct. The soreness comes from breaking down the muscles. Lactic acid is the by product of that. If you work out regularly you break the muscles down much less and in turn produce much less lactic acid.
Consistency is the key to a less painful workout!....