초록 ▼

An exercise device and methods for strengthening the muscles of lower back and abdomen. The device may be configured to impart extension to the spine of a user. The device may include a reclinable chair having a backrest pivotally attached to a seat. The backrest may be pivotally declined backwards

An exercise device and methods for strengthening the muscles of lower back and abdomen. The device may be configured to impart extension to the spine of a user. The device may include a reclinable chair having a backrest pivotally attached to a seat. The backrest may be pivotally declined backwards in relation to the seat by a user during exercise. The device may include a decline control mechanism that is selectively operable to resist the decline of the backrest, to limit the maximum angle of decline of the backrest relative to the seat, or both.

대표청구항 ▼

[ What is claimed is:] [1.]1. An exercise device, comprising:a back rest having a first surface and first and second ends;a seat having a first surface and first and second ends, said first end of said seat being disposed adjacent said second end of said back rest, wherein a plane of said back rest

[ What is claimed is:] [1.]1. An exercise device, comprising:a back rest having a first surface and first and second ends;a seat having a first surface and first and second ends, said first end of said seat being disposed adjacent said second end of said back rest, wherein a plane of said back rest and a plane of said seat define an angle of decline between said first surface of said back rest and said first surface of said seat; anda support frame supporting said back rest and said seat, wherein said back rest and said seat are pivotally movable relative to each other so that said angle of decline is adjustable; anda decline control mechanism, said decline control mechanism including a friction control mechanism and being operable to limit adjustment of said angle of decline, wherein said decline control mechanism is operable to resist adjustment of said angle of decline.