First of all, it is very common for athletes to practice their own strength. For example, it is often seen that James in nba will use a stretcher to train his wrist strength, which is also used to expand his chest strength. However, we must pay attention to stimulation. For example, the action of crossing our arms can achieve a good stimulation effect and achieve a multiplier effect. However, it is suggested to train by tilting upwards, which can give a good buffer to the stretcher and control our own strength to the best.
Also, when training, you can raise your arm to get the maximum strength support. This is mainly for biceps exercisers. You must control your strength and use iron bolts to increase or decrease your weight. This is a good method, and at the same time, you must control this strength. Many friends who can't use it directly at first will easily lead to muscle strain and it will be very troublesome to recover.
These fitness equipment have their own functions and skills. You can also go to the gym and ask a professional fitness instructor. Be sure to warm up in advance. Many friends start training directly without stretching their organs at all, especially this kind of stretcher needs a lot of strength training, which can easily lead to hand cramps and paralysis.