Patent ID: 7410450

Claim:
A portable, elastic resistance exercise apparatus, comprising: a parallelepiped front panel and a parallelepiped back panel, the front panel and the back panel each having a spaced apart top and bottom, and two spaced apart opposing sides, the top of the front panel connected to the bottom of the back panel; a plurality of cutouts disposed within each side of the back panel; at least two elastic resistance devices, one of each resistance device removably anchored within one of each of the opposing sides of the back panel, each resistance device anchored via at least one of the cutouts of the side of the back panel; means for grasping or hooking each resistance device to a user, whereby resistance to a user's physical movement is provided, wherein the front panel is fastened to the back panel by at least one hinge, each hinge disposed proximal to the top of the front panel and the bottom of the back panel, whereby the exercise apparatus is collapsible, wherein the front panel is selectively braced in an open position relative to the back panel via a movable hinged retainer, the retainer fastened to one of the panels, wherein the hinged retainer selectively holds the front panel open at about a 90 degree angle to the back panel, wherein the hinged retainer is further comprised of a vertical locking hole; a corresponding locking hole in a top surface of the front panel; a locking dowel for removable insertion into the locking holes.