A mechanical exercise apparatus for exercising upper extremities, as well as promoting and affecting the natural spinal motions and core stabilization, which relates to the shoulder complex, includes a base to provide stability; a rotator device that is attached to the upper surface of the base; a handle device that is mounted at the rotator device that is slideable; an oval device for repositioning the handle device that is placed in a track fixed in a groove on the upper surface of the base.