| 摘要 |
FIELD: sportive equipment. ^ SUBSTANCE: sportive apparatus has enclosure within which loading core and damper are located. Core and damper are made in the form of at least two different zones of cylindrical shape, said zones differing in resiliency and density by at least 20%. Resiliency and density ratios of at least one damper and/or core are from 0.03 to 0.20, with center of gravity of apparatus being located in its lower half. ^ EFFECT: increased efficiency and trauma-free exercising process. ^ 3 cl, 1 dwg |
