Unassisted lower torso strengthening and stretching device

Details Unassisted lower torso strengthening and stretching device Unassisted lower torso strengthening and stretching device

1989-11-29

1991-11-26

Crow, Stephen R.

Undertaking

272903, 254398, A63B 2112

Patent

active

050677098

ABSTRACT:
A device for stretching and strengthening the muscles of the lower back and legs of a person in a supine position. The device includes a board with straps to restrain the pelvis of the person. A rope and pulley system, operated by the person by pulling and releasing extends between the feet and to a support above the head. The rope is pulled by the user to raise the legs, and additional mechanical advantage is employed as the rope is gradually released to lower the legs.

REFERENCES:
patent: 427314 (1890-06-01), Hanson et al.
patent: 2183265 (1939-12-01), Maloney
patent: 3117782 (1964-01-01), Johnson
patent: 3714833 (1973-02-01), Gilson
patent: 4489936 (1984-12-01), Dal Monte
patent: 4509745 (1985-04-01), Angsten
patent: 4574789 (1986-03-01), Forster

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