Exercise machine

Details Exercise machine Exercise machine

1977-02-25

1979-05-01

Johnson, Richard J.

Surgery

Truss

Perineal

128 25R, 272 97, A61H 700

Patent

active

041518390

ABSTRACT:
An exercise machine especially for the legs and lower trunk of the human body includes a pair of foot supports mounted on a plate. Means connected to the plate oscillates the plate up and down in simple harmonic motion, and a pair of handles are provided above the plate at about hip level for gripping to steady a person exercising on the machine.

REFERENCES:
patent: 1527227 (1925-02-01), Sanders
patent: 1709410 (1929-04-01), Simmons
patent: 2566484 (1951-09-01), Coury
patent: 2573808 (1951-11-01), Ravoire
patent: 3711089 (1973-01-01), Reinhard
patent: 3831935 (1974-08-01), Hofle
patent: 3880153 (1975-04-01), Perrine
patent: 3911907 (1975-10-01), Smith

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