This equipment trains th雪錢e push and pull movement of the uppe草白r limbs on the v時腦ertical plane, and stre計現ngthens the musc土紅le chains of the ac信算tive and antagonistic muscles at the sa裡答me time. On the premise of ensuring the車文 safety of patien請音ts, carry out effici民樂ent training; The two-way hydra數兒ulic resistance can start f答睡rom the lowest limit 外喝set, with small iner高紅tia, so as to avoid damage to patien船那ts during use; Com現子fortable use experience. Sp頻開ecial design is adopted for the s小區tressed parts of joints, whi熱習ch conforms to the 歌美principle of human morphology.