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Exercise device for exercising of the abdominal muscles

  • US 6,755,771 B2
  • Filed: 05/15/2001
  • Issued: 06/29/2004
  • Est. Priority Date: 03/15/2001
  • Status: Expired due to Fees
First Claim
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1. An exercise device comprising:

  • a seat on which, in use of the device in exercising of the abdominal muscles of a user, a user is seated;

    a bowed back support member disposed adjacent to the seat and presenting a convex curved surface against which the back and head of the user rest in a backwardly reclining posture in one stage of said use;

    a belt adapted to fit around the waist of the user during said use; and

    restraining means mounted on the device and adapted to engage a part of the body of the user during movement of the user from said backwardly reclining posture wherein the back of the user rests against said convex curved surface to a sitting position, so as to increase the force that must be exerted by the abdominal muscles of the user in carrying out said movement.

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