Fluid type abductor-adductor exercise device

Details Fluid type abductor-adductor exercise device Fluid type abductor-adductor exercise device

1985-03-14

1986-12-02

Apley, Richard J.

Undertaking

137597, 188299, A63B 2100

Patent

active

046259600

ABSTRACT:
An exercise device designed to exercise the inner and outer thigh and hip areas, namely, the adductor-abductor muscles. A pair of knee rests are operably connected to separate air cylinders and a new valve module is provided which adjusts the amount of air within each air cylinder thus bearing the amount of resistance of the exercise. The device is particularly suitable for use in the prevention and rehabilitation of groin injuries and provides for gradual stretching and restoration of the normal range of motion as well as strength. The device is based on the principle of the use of air as the resistance medium and uses no auxiliary fluid supply.

REFERENCES:
patent: 3174343 (1965-03-01), Kasulis
patent: 3471145 (1969-10-01), Berger
patent: 3606318 (1971-09-01), Gilstrap
patent: 3702188 (1972-11-01), Phillips et al.
patent: 3784194 (1974-01-01), Perrine
patent: 3836141 (1974-09-01), Franklyn
patent: 3976057 (1976-08-01), Barclay
patent: 4240627 (1980-12-01), Brentham
patent: 4444390 (1984-04-01), Erickson
patent: 4452447 (1984-06-01), Lepley et al.
patent: 4525153 (1985-06-01), Wilson
patent: 4579143 (1986-04-01), Rollins et al.

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