A multi-functional chair includes a front leg frame, a footrest assembly connected pivotally to and extending obliquely upward from a bottom end of the front leg frame, a link rod assembly connected pivotally to the footrest assembly, a seat cushion connecting rod connected pivotally to the link rod assembly, a supporting frame connected pivotally to the seat cushion connecting rod, a seat cushion supported on the supporting frame, a backrest frame connected to and extending obliquely upward from the seat cushion connecting rod, a pivot seat connected pivotally to a top end of the backrest frame, and a backrest fixed to the pivot seat.

A rolling footrest is provided and a method of using such by a wheelchair occupant. The footrest may optionally include a foot retainer, a platform and freely rolling castors. In some embodiments, replacing a fixed footrest will shorten the length of the wheelchair enabling the wheelchair to traverse sharp curves. In some embodiments, the footrest may include a swivel lock and/or a ratchet. In some embodiments the footrest may be used for therapeutic exercise. In some embodiments, the footrest may be used for propelling a wheelchair.