作者: Li Jie
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摘要: A waving type tractive resistance training device comprises a base and racket handle, wherein fixed seat is arranged on the base, wheel carrier seat, wire installed carrier, first plug an insertion ring in matched mode connected with one end of stay cord, second at other cord; handle port formed lower port; third can be ring, ratchet port. An athlete holds hand for hitting action simulation practice, backward pulling force provided by cord action, athletes exercise overcoming force, then ball explosive effectively increased; after use, plug, rotated to put away placed being so that stored perfectly carried conveniently, occupied space reduced.