For those people who have issues in standing, such as pain or instability, this routine can provide a good alternative. It includes the first five lessons that are part of the original Arthritis and Fall Prevention sequence, focusing on the arm movements.
Doing tai chi in sitting can still be very beneficial. It can help with core and arm strengthening and flexibility, coordination, and sitting balance. The mind-body focus can be just as good as when standing, if not better, as the fear of falling is much less.