👉 Umstroke, also known as a stroke of lightning, is an electrical phenomenon in which a small amount of electricity strikes a conductor or circuit and generates a shock wave that travels through the body. This shock can cause a range of symptoms including pain, numbness, tingling, weakness, and disorientation. The term "umstroke" comes from the Latin word "umbra," meaning "lightning." In this context, it refers to an electrical disturbance that causes a sensation of electricity being sh