| 摘要 |
An exerciser includes a base and a foot support adjustably secured to the front portion of the base. The user may sit on the base and may engage his feet with the foot support and may rotate backward to exercise his waist or abdominal portion. The base has one or more openings for receiving hands of the user. The base has an anti-slip device disposed in the bottom portion. A barrel is secured to the base, the foot support has a beam adjustably secured to the barrel for securing the feet of the user. A spring cable may be attached to the foot support.
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