Abdominal and back exerciser

A training machine, abdominal and back technology, applied in sports accessories, elastic resistance devices, gymnastics equipment and other directions, can solve problems such as increasing the exercise load of waist and abdomen.
CN101766883BInactive Publication Date: 2011-08-17CYCLING & HEALTH TECH IND R & D CENT
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CYCLING & HEALTH TECH IND R & D CENT
Publication Date
2011-08-17
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to an abdominal and back exerciser. A multiple-degree-of-freedom motion mechanism which is arranged on a base is connected with a seat and a seat back. An user can sit on the seat, the back leans against the seat back to form a sitting gesture, the seat back tilts backwards by the force of the upper half body tilting backwards, the multiple-degree-of-freedom motion mechanismgenerates a multi-link motion, the seat generates sequential actions of upward lifting, forward tilting and forward moving, the user forms a supine extension gesture, and then the abdominal muscle, back muscle and spine can do extension motion.
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Description

technical field

[0001] The present invention relates to sports equipment, more specifically, it is a sports equipment that can stretch abdominal muscles, back muscles and spine. Background technique

[0002] Regarding the prior art of training abdominal and dorsal muscle groups, such as U.S. Patent 6,231,489 case. The case has an arched structure along which a plurality of rollers are arranged. The user can lean back the upper body along the arch structure, and put the back against the rollers, so that the abdominal muscles, back muscles and spine can be stretched. This case is a static assistive device, on which the user can perform trunk flexion and extension movements, but all flexion and extension movements must be completed by the user, and the assistive device cannot provide assistance during exercise.

[0003] China TW New Patent Case No. M282703, this case has a flexible and extensible motion structure, which is composed of a frame, a seat, a chair back, a handle, ...

Claims

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