Exercise device

Details Exercise device Exercise device

1993-05-18

1994-03-08

Crow, Stephen R.

Exercise devices

Support for entire body of user

Swivelled foot platform

482 94, 482145, A63B 2304

Patent

active

052922979

ABSTRACT:
An exercise device has a board wherein an oval recess is formed. A circular recess is formed in the oval recess. An oval plate has a first side and a second side on which a disk is rotatably attached. The oval plate is receivable in the oval recess. The disk is receivable in the circular recess. The first side of the plate and the upper side of the board form a plain surface on which the exerciser can do sit-ups when the oval plate is received in the oval recess and the disk is received in the circular recess. When the oval plate is received in the recess with the second side thereof exposed, there is exposed the disk on which exercisers can stand and twist.

REFERENCES:
patent: 137983 (1873-04-01), Wanzer
patent: 4109909 (1978-08-01), Csutor
patent: 4386915 (1983-06-01), Gilliam
patent: 4787630 (1988-11-01), Watson et al.
patent: 4801140 (1989-01-01), Bergeron

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