Abstract: A board assembly for kitesurfing and/or kiteboarding includes an elongated board for traversing a supporting surface while a person is riding the board and apparatus for changing the orientation of the person's feet relative to the different ends of the board. Such apparatus includes a deck that is rotatably attached to the board, foot receptacles coupled to the deck and a device for facilitating rotation of the deck between different stationary positions relative to the different ends of the board while the board is traversing the supporting surface. The device for facilitating rotation temporarily locks the deck in one of the stationary positions upon the deck having been rotated to the one of stationary positions. The device for facilitating rotation responds to motion of the person's feet by causing the deck to be released from retention in the stationary positions.