Exercise device

Details Exercise device Exercise device

1979-04-05

1980-10-28

Johnson, Richard J.

Undertaking

272900, A63B 2302

Patent

active

042303133

ABSTRACT:
An exercise device for use in performing "sit-up" exercises comprises a base member for placement under a door, side members for embracing either side of the door, and a foot rest extending from one of the side members. The user's feet can be hooked under the foot rest to hold them in place during sit-ups.

REFERENCES:
patent: 680556 (1901-08-01), Wieland
patent: 1905019 (1933-04-01), Turner
patent: 2050652 (1936-08-01), Fleming
patent: 2425971 (1947-08-01), Walker
patent: 2709615 (1955-05-01), Barnes
patent: 2938695 (1960-05-01), Ciampa
patent: 4116433 (1978-09-01), Bernstein

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