Backbone stretching exerciser

摘要

A backbone stretching exerciser including a base frame unit having two front lugs and two rear guide rollers respectively disposed at the top, a seat frame unit having a fixed end pivoted to front lugs of the base frame unit and a free end, a back frame unit pivoted to the free end of the seat frame unit and adapted for supporting the user's back, the back frame unit having two substantially arched guide tubes bilaterally disposed at a back side thereof and respectively supported on the guide rollers of the base frame unit, and a hydraulic cylinder connected between the base frame unit and the free end of the seat frame unit to impart a damping resistance to the seat frame unit.