| 摘要 |
Disclosed is an economic abdomen stretching exerciser, which includes two upright foot members arranged in parallel on the floor, a pivot shaft horizontally pivotally coupled between the upright foot members and spaced above the floor at a distance, a swinging backboard with two handlebars affixed to the pivot shaft for turning with the backboard relative to the foot members and for supporting the user sitting on the floor, and return springs for returning the pivot shaft and the backboard after the pivot shaft having been biased.
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