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US5125883A
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US
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Abdominal exercise method
Assignee: Individual
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Filing: 1991-12-02
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Granted: 1992-06-30
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Expires: 2011-12-02
Abstract
Abstract Abdominal exercise apparatus and method comprising a flexible and resilient board of a length extending from one end near the head portion of a user to an opposite end removed therefrom. The board is constructed to be normally flat in configuration and is bendable into an upwardly curved configuration by upward movement of a user lying thereon to contract and shorten the abdominal muscles with the user's back and head portions in engagement with the board. Handles are removably mounted on the board near the one end thereof. In use, the handles are grasped by the hands of the user during movement to contract and shorten the abdominal muscles and to bend the board upwardly into a concave configuration against the resilient force of the board. During this upward movement, the user's head, neck, shoulder, back, and buttocks portions are supported by the board. Anchoring devices are provided at or near the opposite end of the board to secure the feet, legs or thighs of user thereto. For certain abdominal exercises, the anchoring devices may be used without any handles at the one end of the board.
Inventors
- 👤 Jeffrey D. Shoebrooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:41
CPC Classifications
A; A63; A63B; A63B21/00; A63B21/40; A63B21/4027; A63B21/4039; A63B21/4037; A63B2225/00; A63B2225/62; A63B23/00; A63B23/02; A63B23/0205; A63B23/0211; A63B69/00; A63B69/0057; A63B69/0062
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
136 words
A method of abdominal exercise, comprising the following steps by a user: lying in a supine position on a flexible and resilient elongated board of a length extending from one end near the head portion of the user to an opposite end spaced therefrom and extending at least to the lower back portion of the user, said board being constructed to be normally flat in configuration and being bendable into an upwardly curved configuration, said board having handle means mounted thereon near said one end thereof; and gripping said handle means with the hands of the user and moving to bend said board upwardly into a concave configuration to contract and shorten the abdominal muscles against the resilient force of said board, while the user's head, neck, shoulder and back portions are supported by said board.
Claim 2
Independent Claim
136 words
A method of abdominal exercise, comprising the following steps by a user: lying in a supine position on a flexible and resilient elongated board of a length extending from one end near the head portion of the user to an opposite end spaced therefrom and extending at least to the lower back portion of the user, said board being constructed to be normally flat in configuration and being bendable into an upwardly curved configuration, said board having handle means mounted thereon near said one end thereof; and gripping said handle means with the hands of the user and moving to bend said board upwardly into a concave configuration to contract and shorten the abdominal muscles against the resilient force of said board, while the user's head, neck, shoulder and back portions are supported by said board.
Claim 3
Independent Claim
163 words
A method of abdominal exercise, comprising the following steps by a user: lying in a supine position on a flexible and resilient elongated board of a length extending from a first end near the legs of the user to a second end spaced therefrom and extending at least to the upper back portion of the user, said board being constructed to be normally flat in configuration and being bendable into an upwardly curved configuration, said board having anchoring means mounted on said board near said first end thereof for engagement by the feet, legs or thighs of the user; securing the feet, legs or thighs of the user to said anchoring means; and moving the user's knees toward the user's chest in a hip flexion movement, to bend said first end of said board upwardly into a concave configuration to contract the lower abdominal muscles against the resilient force of said board, while the user's back and buttocks are supported by said board.
Claim 4
Independent Claim
163 words
A method of abdominal exercise, comprising the following steps by a user: lying in a supine position on a flexible and resilient elongated board of a length extending from a first end near the legs of the user to a second end spaced therefrom and extending at least to the upper back portion of the user, said board being constructed to be normally flat in configuration and being bendable into an upwardly curved configuration, said board having anchoring means mounted on said board near said first end thereof for engagement by the feet, legs or thighs of the user; securing the feet, legs or thighs of the user to said anchoring means; and moving the user's knees toward the user's chest in a hip flexion movement, to bend said first end of said board upwardly into a concave configuration to contract the lower abdominal muscles against the resilient force of said board, while the user's back and buttocks are supported by said board.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-06-30 | 1995-12-30 | 1996-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-06-30 | 1999-12-30 | 2000-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-06-30 | 2003-12-30 | 2004-06-30 | $7700.00 | Window Closed / Lapsed |