The exercise device is adapted for use in resistance training. The exercise device is adapted for use with an exerciser. The exercise device comprises an anchor block and a plurality of resistance straps. Each individual resistance strap selected from the plurality of resistance straps is an elastic spring like device. The selected individual resistance strap provides a counterforce to an exerciser that is deforming the selected individual resistance strap through the use of tension. Each individual resistance strap is anchored to the anchor block. The anchor block is a rectilinear structure. The exerciser sits upon or pushes against the anchor block such that the weight of the exerciser in combination with the exercises performed will hold the anchor block in position during an exercise session.