Collapsible knee exercise device

Details Collapsible knee exercise device Collapsible knee exercise device

1998-06-08

2000-12-26

Crow, Stephen R.

Exercise devices

Support for entire body of user

482 38, 482129, 482140, 482908, A63B 2600

Patent

active

061651125

ABSTRACT:
A person's leg muscles can be strengthened with a leg-support cross piece adapted to underlie the person's knee joint while the person lies with his back on a floor surface. The lower portion of the leg is swung up and down around the supported knee joint to exercise the leg muscles. An elastic strap type resistance unit may be extended from the framework that supports the cross piece for partial encirclement of the person's ankle, to increase the effort involved in swinging the leg.

REFERENCES:
patent: 3944219 (1976-03-01), LoPresti
patent: 4634119 (1987-01-01), Pesthy
patent: 4822031 (1989-04-01), Olschewski
patent: 5033734 (1991-07-01), Jalbert
patent: 5074549 (1991-12-01), Harvey
patent: 5290209 (1994-03-01), Wilkinson
patent: 5336152 (1994-08-01), Winslow et al.
patent: 5389055 (1995-02-01), Gangloff
patent: 5586962 (1996-12-01), Hallmark
patent: 5871424 (1999-02-01), Conner

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