Exercise apparatus

An exercise apparatus comprising:

• a movable carriage having a generally flat top surface, the movable carriage being movably mounted on parallel track members of a frame having a head end, a foot end and side members, the movable carriage having a pair of shoulder stops mounted thereto and a plurality of elastic members connected between the foot end and the movable carriage to elastically bias the movable carriage toward the foot end of the frame, and
• a movable spring anchor bar and carriage stop assembly comprising an anchor bar with an associated anchor bar support for engagement with the anchor bar, the anchor bar having at least one elongated stop member arranged perpendicular to and secured to the anchor bar, the at least one elongated stop member having a carriage stop surface located towards an end of the at least one elongated stop member remote from the anchor bar and the at least one elongated stop member further comprising at least one movable means of engagement, engaged with the side members of the exercise apparatus and the at least one elongated stop member, at a pivot point about an axis perpendicular to the side members of the exercise apparatus that are proximate to the carriage stop surface, said pivot point being remote from and separate from the location of the anchor bar on the at least one elongated stop member.