Seat cushions that prevent a seated handicapped individual from sliding forward on the seat, while preventing the occurrence of decubitus ulcers. The seat a seat cushion includes a resilient body having a generally rectangular-cuboid-shape. The resilient body includes a frontal portion having a front end and a rear end, and which is fabricated from materials having a first density, and a rear portion having a front end and a rear end, and is fabricated from materials having a second density. The first density is substantially higher than the second density. Preferably, the resilient body is fabricated out of a sturdy foam material. Preferably, the seat cushion further includes a protective cover wrapping the resilient body.