The best trainer ever is on youtube and bodybuilding.com.
Charles Glass is a bottomless pit of fantastic training tips and sage advice. Paying close attention to the details of his wise counsel will transform your workout. In my own observations at the gym it is disconcerting how many people “work out” mindlessly, basically wasting their time at the gym by their inattention to detail and by utilizing terrible form. Everyone can use some guidance, including me — and I’ve been working out since I was thirteen years old.
Here’s a great video on a safe shoulder workout:
