This invention relates to a device for controlling of movement of limbs of a user in a substantially mirror symmetrical manner, a user's limb or limbs being held in position via support arms, said device comprising a bar (or bars) adapted to move about a point of rotation, said bar (or bars) having a first end and a second end, said ends separated by the point of rotation, a first support arm(s) operatively coupled at or towards one end of said bar and a second support arm(s) operatively coupled at or towards a different end of the bar wherein the first and second support arms are adapted to substantially support and/or hold the limbs of a user of said device, the first and second support arms and the bar (or bars) configured such that, in use, as the bar (or bars) rotate(s) the support arms move in a substantially tandem synchronized manner with respect to each other.