No Pain, No Gain

I went to the gym yesterday.  That is not an event, I do it frequently.  But, I decided to increase my weights a little.  Now, for some unknown reason, I have always been prone to muscle soreness after any kind of activity.  It doesn't matter if I have been doing it for months, I still get sore.  So, I am a bit stiff today.  Especially my pecs.  Seems to be the weakest muscles I have in my entire body.  Maybe a chest massage would help?