Shoulder Pain

I wanted to get some feedback on the following. When I do my chest workout my shoulders always hurt and weaken way before my chest. Is there anything I should be doing different or what am I doing wrong?

I now use dumbells, and have limited by weights. The dumbells seem to have helped considerably.

shoulder rotator cuff injuries are pretty common when you bench like a bodybuilder. ytwl and ytwli are a series of rotator cuff exercises that you should do as part of your warm up. search for those complexes here, and/or at www.elitefts.com Many of the over 35 set use these religously
old lardass