US Patent 7819777 Exercise alignment mat system

An exercise alignment mat system for performing various exercises includes a mat of a generally flat structure having a top surface, bottom surface and a thickness, a major longitudinal axis and a minor longitudinal axis orthogonal to the major longitudinal axis, and a plurality of spaced grooves formed in the top surface along both the major and minor axes so as to define a plurality of equal sized panels on the mat. Each panel includes a set of concentric squares indicia thereon, in which an upper half of each square in the concentric squares has a dotted line configuration for fingertip placement, and a lower half of each square has a solid line configuration for palm placement.