VAA1130 Features: * Back extension/sit up bench * Works both sides of your mid section * Flip over and sit in the small butt pad with your feel securely fastened in the ankle and lean back so the small of your back arches over the larger pad * As you arch your back and lay backwards the larder pad will support your back allowing you to do a sit up from a flat position * Build up and support your core area around your body * Unit is adjustable in size allowing a variety of users to use it Assembly Instructions: * Assembly required Dimensions: * Foot dimensions: 54" H x 21" W x 56" D