Exercise apparatus

Details Exercise apparatus Exercise apparatus

2006-08-15

2006-08-15

Amerson, Lori (Department: 3764)

Exercise devices

Sit up device

C482S146000, C482S034000

Reexamination Certificate

active

07090628

ABSTRACT:
An exercise apparatus for strengthening a person's muscles when the person is in contact with an apparatus part for support of the person's buttocks and/or back and/or stomach/chest. One apparatus part, for example, a support board for the person's back and/or buttocks is made having positional instability in connection with a support bearing.

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