This equipment trains the push and p問鐘ull movement of the upper limbs on the 村章vertical plane; At開門 the same time, strengthen the mus子生cle chain of the active and anta農務gonistic muscles. On the premise得車 of ensuring the safety事喝 of patients, carry out eff內問icient training; The two黑藍-way hydraulic r通冷esistance can start 知員from the lowest limit set, with small i道鄉nertia, so as to avoid damage t錢歌o patients during 醫腦use; Comfortable use expe購生rience. Special design is ado一喝pted for the stressed parts of jo科好ints, which confo銀靜rms to the principle of human morpho師公logy.