Patent ID: 7591769

Claim:
An exercise apparatus for isolating and strengthening lower back muscles of a user, comprising: a substantially upright support frame having a length, an upper end and a lower end; a torso support having a top surface and a bottom surface, the top surface defining an angle with respect to the support frame, the top surface adapted for supporting the torso of the user; opposed teeth extending outwardly from the upper end of the support frame and defining a slot between them, each opposed teeth having an eye-hole; a base extending outwardly from the bottom surface of the torso support, a center hole disposed through the base; an attachment pin; whereby, the base is received into the slot between the opposed teeth until the center hole is aligned with each of the eye-holes in the opposed teeth for coacting to define a channel between them thereby enabling the attachment pin to be inserted through channel and attaching the torso support to the support frame; means for adjusting the length of the support frame; and means for adjusting the angle of the top surface of the torso support.