Undertaking
Patent
1981-02-26
1984-10-23
Apley, Richard J.
Undertaking
272134, A63B 2106
Patent
active
044784112
ABSTRACT:
Apparatus and method for exercising the abductor or adductor muscles in which the legs of the user are moved away from and toward one another and in which resistance to leg movement varies in predetermined relationship to leg movement. The apparatus is connected through link structure to accommodate rotation of the legs relative to the torso supporting structure. The rotations of the legs, both away from and toward each other, of a user is resisted by weights that are raised and lowered.
REFERENCES:
patent: 3858873 (1975-01-01), Jones
patent: 3912261 (1975-10-01), Lambert
patent: 4125258 (1978-11-01), McArthur
patent: 4149713 (1979-04-01), McLeod
patent: 4207859 (1980-06-01), Scholten
patent: 4240627 (1980-12-01), Brentham
Apley Richard J.
Browne William R.
Nautilus Sports Medical Industries, Inc.
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