Muscle exercise and strengthening device

Details Muscle exercise and strengthening device Muscle exercise and strengthening device

1998-06-26

2000-11-28

Brown, Michael A.

Exercise devices

Sit up device

482 83, 482105, 482124, 482129, 482130, A63B 2600

Patent

active

06152865&

ABSTRACT:
A working element, such as a ball (4) is held at a preselected position in front of a user exercising abdominal muscles. The ball is supported (9, 31a, 31b, 44) by a positioning device (6) for positioning lower members of the user. The lower member positioning device includes at least one of a user knee positioning member (11, 15, 74) and a foot or ankle positioning member (10). A frame or other connecting element (21, 22, 40, 42, 61, 71) interconnects the foot and knee positioning elements in a preselected relationship. A flexible or spring mounting (14) or flexible straps (31a, 31b, 44) permit the ball (4) to be resiliently displaced during exercise.

REFERENCES:
patent: 757041 (1904-04-01), Hosfeld
patent: 3157961 (1964-11-01), Payne
patent: 4871178 (1989-10-01), Diaz
patent: 5098089 (1992-03-01), Harrington et al.
patent: 5591089 (1997-01-01), Huffines

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