The first method is easy to understand, but not necessarily easy to use. According to the propaganda of the merchants, the faster the paddle is pulled, the greater the resistance will be. However, in the actual exercise process, our paddle pulling speed is often limited by the contraction efficiency of leg, waist, back and arm muscles. If the paddle pulling speed is too fast, it may go beyond the scope of aerobic exercise, and even lead to unnecessary ...
2.
The second way is clever, but only a few products will adopt it at present (probably because of patent protection). Take the water resistance rowing machine of FIRST DEGREE as an example, the working mode of its water regulation device is probably as follows: there is a relatively large auxiliary water tank in the center of the main water tank, and the top of the auxiliary water tank is open, and the auxiliary water tank ...