An apparatus is used on a surface and aids in stretching lower extremity muscles of a person in three planes of movement. The apparatus includes a plane for supporting a foot of the person. The plane has a front end, a rear end, a first edge, a second edge, a top side and a bottom side. The apparatus...http://www.google.com/patents/US7011612?utm_source=gb-gplus-sharePatent US7011612 - Stretching device
