For my capstone project during undergrad, my teams project was to improve an ambulatory walker. In order to assess what the user needs were we spoke to the expert assigned to our team. She has worked with many patients that use walkers and other ambulatory devices so we got her take on what needed to be improved. We also created a questionnaire and handed it out to residents at a nearby nursing home. We did research on similar devices on the market and created questions about different design aspects we found. We had to word our questions in a way so that the residents could easily answer them. We also had to ask questions that would allow us to take their answers and figure out our design inputs/user needs.