A spine support device includes a support plate having front and rear faces, a central opening, and a pair of stabilizing stirrups formed on the rear face of the support plate in spaced parallel relationship to augment the support provided by the support plate when positioned at its front face in contact with a portion of a person's back surrounding a region of spinal vertebra visible through the central opening in the support plate. The support plate has opposing inner side edge portions at opposing sides of the central opening and opposite peripheral side edge portions spaced outwardly therefrom with the stabilizing stirrups therebetween. The opposing inner side edge portions and the opposite peripheral side edge portions of the support plate have respective alternating peak and valley shapes for accommodating interconnecting facets of the spinal vertebra region visible through the central opening in the support plate.