Exercise device utilizing a compression member and elastic tensi

Details Exercise device utilizing a compression member and elastic tensi Exercise device utilizing a compression member and elastic tensi

1988-01-25

1989-05-16

Apley, Richard J.

Undertaking

272116, 272139, A63B 2100, A63B 2102

Patent

active

048303666

ABSTRACT:
The present invention provides an exercise device including a compression member having a pair of opposed bearing surfaces. A pair of elastic, elongated tension members are connected to opposed surfaces of the compression member, and a pair of strap members are connected to one another by the pair of tension members. The strap members loop over the bearing surfaces so that a pair of opposed limbs of the user can be inserted within the strap members and against the bearing surfaces. When the user's limbs exert inwardly directed compressive forces against the bearing surfaces, the compression member produces outwardly directed resistive forces in reaction to the inwardly directed forces exerted by the limbs. When the user's limbs exert outwardly directed forces on the strap members, the tension members stretch and in turn produce inwardly directed resistive forces in reaction to the outwardly directed forces exerted by the limbs. In a given exercise routine, the user can exercise different sets of muscles of the limbs by alternately exerting compressive and tensile forces on the bearing surfaces and the strap members, respectively.

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patent: 4711445 (1987-12-01), Whitehead

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