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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0801062 (1977-05-27) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 16 인용 특허 : 0 |
A leg stretching exercise device is provided which has two platforms, each adapted to support a foot of an exerciser. Each platform is provided with ball casters which provide support and allow free movement in a mutual plane. The platforms are attached so they may be placed in touching relationship
A leg stretching exercise device for use on a floor comprising: a pair of platform means, each said platform means adapted to support a foot of an exerciser on the upper surface of each of said platform; means during an exercise program means for independently rollingly supporting each said platform
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