Ok so two weeks ago I am getting some obvious signs of overtraining my cheast, my bench droped from 320 to about 270, i was tired and kinda cranky. So I took a week off. I get back in the gym and my lifts were awful, about halfway throuhg my workout I pinch a nerve in my shoulder, currently typing in allot of pain. Now it gets better, I just started a creatine cycle about a month ago, my lifts go way up on creatine but it seams I have been steadily droping since I started cycling... as if its some sort of anti creatine. Could this just be overtraining, take another week off? I may not be eating right... Any other possible causes?