It helps to put one foot on a step, low stool, or book so that it’s a little higher than the other. This helps keep your pelvis in alignment. Switch feet every now and then.
Women who wear high heels might want to reconsider their footwear. Go for shoes with good cushioning and support -- and keep heels to an inch high or less. Special inserts in your shoes (orthotics) may also help.
Organize your work area to make it easier on your joints, so that you don't have to lift, reach, or carry too much. If you work in different areas throughout the day, consider whether an apron or a tool belt would be an appropriate way to carry the items you need.