Apparatus for stretching and strengthening the back muscles

Details Apparatus for stretching and strengthening the back muscles Apparatus for stretching and strengthening the back muscles

1982-10-21

1985-05-21

Johnson, Richard J.

Surgery

Truss

Perineal

272137, A63B 2302, A63B 2100

Patent

active

045179662

ABSTRACT:
Gymnastic apparatus, in particular for stretching and strengthening the back muscles, in which a support bar and a pulling bar are movable in contrary direction relative to each other against the power of a spring, in which the support bar is connected with a guiding bar containing the spring and on which the grasping bar is movable, whereby the support bar (5) is principally straight, and at one end of it is attached the guiding bar (1), preferably of a telescopic nature (2, 3) forming a T-shape.

REFERENCES:
patent: 2223309 (1940-11-01), Swanson
patent: 2909371 (1959-10-01), Alcover
patent: 3228683 (1966-01-01), Leteff
patent: 3672361 (1972-06-01), Fourneron
patent: 4351527 (1982-09-01), Crisp

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