Provided is a torso support cushion capable of torso support and whereby the problem of the torso tilting to a paralyzed side or the pelvis tilting backwards does not occur when a person having paraplegia operates a hand rim in order to cause a wheelchair to move. A cushion arranged in a seat base of the wheelchair or chair comprises: a first cushion section positioned on the front surface of a backrest and second and third cushion sections connected to both left and right sides of the first cushion section and positioned on inside surfaces in the vicinity of armrests. The first cushion section is fixed to the backrest section by the action of a tensile force from a belt, etc., being a first attachment member that causes same to come in contact with the backrest. The second and third cushion sections are fixed to a frame or support columns to which the armrests are fixed, by the action of a tensile force acting towards the front from second and third attachment members that form a belt shape, etc., extending towards the front form the front end sections of the second and third cushion sections, and by the action of a torsional force acting on the first cushion section towards the front, via the second and third cushion sections.
