| 摘要 |
PROBLEM TO BE SOLVED: To provide an abdominal pressure type blood circulation promotion chair capable of contributing health promotion by promoting blood circulation in the upper half body of a person seated on a chair through the use of the abdominal pressure type blood circulation promotion chair where a backrest is bent with a lower back part position as a fulcrum in a reclining seat type chair and various kinds of chairs with the backrests. SOLUTION: In the abdominal pressure type blood circulation promotion chair, the backrest of the reclining seat type chair or the various kinds of chairs with the backrest is bent with the lower back part position as the fulcrum. COPYRIGHT: (C)2009,JPO&INPIT
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