[quote=magpie]Is your sewing maching on a lift that makes it level with your surrounding surface? If not try using door stops or a machine lifter you can get from Debbie Umphress (here on the board), to tilt machine toward you, put door stops under back edge of machine. This makes the presser foot area of the machine easier to see and your not stiffening your shoulders
I saw the tip of tilting the machine towards you on this site a while back and while I still cannot sit for longs hours it did help me to work longer and have less shoulder and back pain.