Undertaking
Patent
1989-08-10
1990-07-31
Apley, Richard J.
Undertaking
272136, 272116, 272DIG4, A63B 21015
Patent
active
049445081
ABSTRACT:
A shoulder rehabilitation device is described wherein the forearm is cradled in a movable lever on a mounting plate with the mounting plate hinged to a base plate in such a manner that the arm movement at various angles between horizontal and vertical exercises all the muscles in the shoulder; a structure of adjusting resistance to motion of the lever provides for prescribed exercise as the muscles strengthen.
REFERENCES:
patent: 2817524 (1957-12-01), Sadler
patent: 3567219 (1971-03-01), Foster
patent: 3620530 (1971-11-01), Cosby
patent: 3662602 (1972-05-01), Weiss
patent: 4408759 (1983-10-01), Reneau et al.
patent: 4509747 (1985-04-01), Martin
patent: 4743019 (1988-05-01), Lequeux
Apley Richard J.
Flaxman H. N.
Long Joseph F.
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