Variable resistance exercise apparatus

Details Variable resistance exercise apparatus Variable resistance exercise apparatus

1982-06-16

1985-09-10

Apley, Richard J.

Undertaking

272123, A63B 2106

Patent

active

045401713

ABSTRACT:
An apparatus for muscular exercise where the user conducts a repetitive motion under load. The apparatus is coupled to the user to exercise the desired muscle group. When muscle is undergoing a shortening motion it is subjected to a load. At the completion of the shortening motion the load is automatically increased for the muscle-lengthening step. At the completion of the muscle-lengthening portion of the exercise the added load is automatically removed for the next muscle contraction step.

REFERENCES:
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patent: 3572700 (1971-03-01), Mastropaolo
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patent: 3848467 (1974-11-01), Flavell
patent: 3858873 (1975-01-01), Jones
patent: 3998100 (1976-12-01), Pizatella et al.
patent: 4253662 (1981-03-01), Podolak

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