Patent ID: 8002685

Claim:
A twisting exerciser, comprising: a base, said base having an arched track arranged along the periphery thereof, a stem extended from a front side thereof and a stop block protruded from a convex top wall thereof at each of two distal ends of said arched track; a plurality of foot members detachably affixed to the front side of said base for supporting said base on a flat surface in a tilted position; a pivot located on the center of the convex top wall of said base; two swivel arms respectively pivotally connected to said pivot, each said swivel arm having a front end pivotally connected to said pivot, a rear end suspending above said base, a knee pad located on said rear end at a top side and a roller pivotally mounted on said rear end at a bottom side opposite to said knee pad and coupled to said arched track of said base through said roller being shaped to partially conforming to said arched track; and a handlebar detachably fastened to said stem of said base, said handlebar extends substantially vertically at an angle away from said exercise device.