| 摘要 |
The invention relates to fitness body-building devices. The simplicity, multipurpose usefulness and the low cost of the inventive simple fitness device enable any person, independently of his age and material situation, to exercise at any time and anywhere. Said fitness device consists of four tubes which are made of a soft material, are provided with convex lines arranged through the length and breadth thereof, are used for reducing sliding, for carrying out the light massage of the wrist or more voluminous parts of arms and legs (for example rubber) and for reducing friction between a link and the regions of the body. Said tubes are mounted on a solid rope (or a cable), the ends of which are firmly tied into a knot, thereby forming an adjustable rigid link which is adjusted by remaking the knot in order to prevent the increased friction between the wrists and the voluminous parts of the arms and legs paced inside the adjustable rigid link. The inventive use method consists in placing tubes exactly on the wrists only (not in the hands) or on more voluminous parts of the arms and legs placed inside the adjustable rigid link and in carrying out exercises by overcoming the resistance of the adjustable rigid link, the arm (leg) and a group of muscles produced by the motion of the other arm (leg) and group of muscles. Also the leg (arm), the group of muscles and the adjustable rigid link cam produce the resistance to the arm (leg) and the groups of muscles during the movement thereof.
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