What is the password for Fu Qingquan’s reverse roll teaching?

The specific content of Fu Qingquan’s instruction instructions for reverse curling of the humerus is as follows: “Roll the humerus backwards, sink the shoulders and lower the elbows, and use force to reach the top.” The meaning of this command is to roll your arms back, sink your shoulders, and make your elbows heavy, and then concentrate your strength on the top of your arms and extend upward. This kind of command helps train students in correct movement postures and strength application skills. In martial arts teaching, correct movement postures and use of strength are very important, so this command is widely used in martial arts training. In short, Fu Qingquan's back-curl humeral teaching command is one of the very important commands in traditional Chinese martial arts. It helps students correctly understand and apply movement postures and strength application techniques, and improve their martial arts skills. Fu Qingquan is a very famous martial artist in traditional Chinese martial arts. He is an excellent coach and instructor. In the martial arts he teaches, there is a very unique password, which is the "reverse roll teaching password".