Why do people who get an electric shock tremble all over?

Under normal circumstances, all human actions are caused by the whole body bioelectric activity through nerve transmission. When receiving electric shock, the body will be stimulated too much, which will lead to stiff contraction of skeletal muscle and trembling. On July 5, a surveillance video of "men saving themselves like electric shock textbooks" caused a heated discussion among netizens. Monitoring shows that the incident occurred on June 27, when a man was going to wash his car with a small water pump and was accidentally electrocuted while operating a high-pressure water gun. The man did not panic. He has been trying to take off his water gun. After the water gun failed, the man fell to the ground and pulled out the power trembling. The man's self-help action also won the praise of netizens: he is calm and clear-headed when facing danger, but he still needs to pay attention to safe use of electricity!

Netizen comments on Tiecheng's happy life: pay attention to electricity safety. Fortunately, the current is not large, so it is necessary to re-check the leakage switch. SV is crazy: Don't make such a mistake again after saving yourself. Old Wang Ting: I have experience, too. Under the voltage of 220 volts, my mind is clear, but my hands and feet are not very controllable.

Self-rescue operation in case of accidental electric shock: When electric shock occurs, there is no one nearby to rescue the victim. Victims need to calm down and save themselves: in the first few seconds after electric shock, people's consciousness has not been lost. Reasonable and orderly judgment and disposal is the key to successful liberation. You can cry for help while struggling to jump up and let the current flowing through your body lose its conductor. Electric shock rescue: ① Turn off the power supply, quickly unplug the power socket, turn off the power switch or pull the main power switch to cut off the current. (2) When the circuit is cut off or the wire is grounded in the field during construction, the wire can be cut off with a dry wooden handle broadsword, axe and shovel to interrupt the current. (3) Description of wire connection: If the electric shock victim is knocked down because his body touches the drooping wire, the wire is closely connected with his body, and there is no power switch nearby. At this time, the rescuer can stand on a dry wooden board, plastic board or other insulating materials, and use dry wooden sticks, poles, bamboo sticks, walking sticks, chairs, plastic sticks, brooms and other insulating materials to lift the wires that touch the body of the electric shock victim. (4) Take emergency measures to remove the electric shock victim to a well-ventilated ground or bed, lie on your back, loosen your collar and belt, remove foreign bodies from your mouth, take off your dentures, and keep your respiratory tract unobstructed. Quickly check the breathing and heartbeat of the person who gets an electric shock, conduct on-site rescue, and timely carry out artificial respiration and external heart massage.

Find a doctor for emergency treatment immediately, or send him to the hospital for emergency treatment on the premise of uninterrupted rescue.