"Why don't you go ahead and take a seat?" "Please, take a load off." More than likely, you've used these phrases, or ones of similar effect, during your time on this planet. They provide us with a unique opportunity, by allowing us to extend a particular kind of courtesy to the person or people that we are speaking with. In other words, these statements are designed to make others feel comfortable. Generally speaking, sitting can serve a vast array of purposes, ranging from relaxing, to eating, to talking, to even working. Whether you realize it or not, by taking that seat, you are committing yourself to any number of these actions. But what about people who are always seated? What does sitting mean for a person in a wheelchair?