:shock: OUCH I've done this before! Does the pain feel like it is to the side of your spine on your neck? I had this during DB shoulder pressing in January. Couldn't move my head properly for days. Take some pain killers and take the week off the gym. It will be a while before you're right again so cut out the presses for 2 / 3 weeks. Did you get a loud "snap" sound when you did it?