I am sorry to hear about your shoulder problems. I have had 2 rotator cuff surgeries and am anticipating a shoulder replacement in my future. I did have the big quilting frame with my machine on it and found that because of the way it sat caused me pain. So i had to sell. My husband being the wonderful man he is worked with me to find just the right layout that would work for me. He modified an old wooden drafting table for me to that the top of table could lift up for me to change bobbin and to oil. It works perfectly and i don't experience any pain anymore when quilting