Slant-board exercising device

Details Slant-board exercising device Slant-board exercising device

1995-05-15

1997-09-30

Crow, Stephen R.

Exercise devices

Sit up device

482 91, A63B 2600

Patent

active

056721447

ABSTRACT:
An exercising article which may be in kit form for converting a step board exercising member into a slant board exercising device by the rearrangement of the separate end supports of the step board member in relationship to the top platform which they support and the addition of a knee restraint adapted for connection to one or both of the end supports.

REFERENCES:
patent: 5122107 (1992-06-01), Gardner
patent: 5158512 (1992-10-01), Irwin et al.
patent: 5160306 (1992-11-01), Lui
patent: 5269735 (1993-12-01), Pfitzenmeier
patent: 5372566 (1994-12-01), Olschansky et al.

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