. An exerciser comprising:
a frame body having a central shaft, at least one handle shaft connected with the central shaft and two oblique shafts connected with the central shaft near a rear end thereof, the oblique shafts rearward obliquely extending, wherein:
a handle is mounted on each the handle shaft;
an inner tube is rotatably mounted on each oblique shaft, the inner tube having a diameter slightly larger than the diameter of the oblique shaft, a foam material being fixedly disposed around the inner tube; and
a hollow fitting tube is rotatably fitted on a front end of the central shaft, a swinging plate being pivotally connected with front end of the fitting tube, the swinging plate having a pivot section on one side for pivotally connecting with the front end of the fitting tube, a fixing means being disposed at rear end of the swinging plate for fixing the rear end of the swinging plate on the fitting tube; and
at least one weight block disposed at the other end of the swinging plate.