A weightstack provides variable resistance during the simulated golf swing, and the device offers adjustment over multiple degrees of freedom and it can accommodate both right-and left-handed swings.
You should continue to stack the weights until you can only lift one rep of the last weight.
您应该继续堆叠的重量，直到你只能代表一个升降机在过去的重量。
3
On the surfacee of each package, the package number , measurements, gross weight, net weight, the lifting positions, such cautions as "DO NOT STACK UP SIDE DOWN""