发明名称 Exercise device and method of using same
摘要 An exercise device to selectively exercise leg muscles. The exercise device comprises a waist portion, a rigid member attachable to the waist portion and an elastic strap attachable to the rigid member and a foot of a user. The rigid member is positionable about the waist member to position the elastic strap either along a forward portion of a leg or along a rearward portion of the leg. The elastic strap provides resistance of which can be varied by varying the length of the elastic strap.
申请公布号 US2003195092(A1) 申请公布日期 2003.10.16
申请号 US20020120099 申请日期 2002.04.10
申请人 发明人 BASTING JACK
分类号 A63B21/055;(IPC1-7):A63B71/00;A63B21/02 主分类号 A63B21/055
代理机构 代理人
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