Apparatus for stimulating hamstring contraction to effect optimu

Details Apparatus for stimulating hamstring contraction to effect optimu Apparatus for stimulating hamstring contraction to effect optimu

1997-12-26

1999-09-28

Donnelly, Jerome W.

Exercise devices

User manipulated force resisting apparatus, component...

Utilizing resilient force resistance

482122, 482127, A63B 21045

Patent

active

059578203

ABSTRACT:
A muscle strengthening apparatus comprising a feet securing member for securing the feet of a user, a support member for contacting the buttocks of the user, and a resilient member attached between the feet securing member and the support member. The resilient member comprises a first portion and a second portion wherein the first and second portions are angulated with respect to each other. The first and second portions each have an end opposite the point of contiguity of the first and second portions. The feet securing member is attached to the end of the first portion. The support member is attached to the end of the second portion. When the user's feet are secured by the feet securing member and the user's buttocks contacts the buttocks support member, the first and second portions of the resilient member are positioned generally posteriorly and/or medially with respect to the legs of the user.

REFERENCES:
patent: D339618 (1993-09-01), Hassell
patent: 3567218 (1971-03-01), Johnson
patent: 4508335 (1985-04-01), Kelley et al.
patent: 4509748 (1985-04-01), Bezak
patent: 5009417 (1991-04-01), Sarkozi
patent: 5106083 (1992-04-01), Hall
patent: 5403258 (1995-04-01), Hill
patent: 5545114 (1996-08-01), Gvoich
patent: 5669862 (1997-09-01), Sayman

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