Abstract: body exerciser including a frame base having front and rear support rods adapted to support the exerciser on the floor and a long foldable or retractable stem between the support rods; a link having a lower end pivotally connected to the stem near the rear support rod and an upper end provided with a pad; a slide seat pivotally mounted on the stem at a suitable position and having a handgrip unit disposed thereon; a drag bar having one end pivotally connected to the upper end of the link with the other end pivotally connected to the slide seat; and elastic bands or springs connecting the drag bar and the link as well as the stem. In use, the user may stand on a step pad at the rear support rod with his/her abdomen pressing against the pad on the link and both hands holding the handgrip unit while exerting forces using the abdomen and hips, combined with the of his/her body, to cause the link to incline forwardly to thereby push the slide seat forwardly.