God damn I hate that, after completing a few sets I realize that I'm using 2 different dumbbells a 40 and a 45 grrr. I'm surprised I hadn't noticed the weight offset. argh
Well hopefully you switched hands with the weights and matched the previous set. This is the only known way of reversing the lifelong symmetry problems you can get from training with offset weights.
Please Scroll Down to See Forums Below 
