FIELD: training equipment. SUBSTANCE: apparatus has main back support mounted for changing inclination angle relative to base, foot rests mounted on U-shaped bar for repositioning along bar length, foot fasteners with resilient layers, carriage for moving foot rests along guides, loading device and hollow spherical members. Loading device is fixed on carriage. U-shaped bar is rigidly connected with carriage. Foot rests and hollow spherical members are made integral. Foot fasteners' apexes are inserted into respective spherical members. EFFECT: increased efficiency and simplified construction. 2 dwg
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Authors
Dates
1997-07-20—Published
1993-10-06—Filed