An electromagnetic coil is an electrical conductor such as a wire in the shape of a coil, spiral or helix. Electromagnetic coils are used in electrical engineering, in applications where electric currents interact with magnetic fields, in devices such as inductors, electromagnets, transformers, and sensor coils.
Causes of lower back spasms. Back spasms can be the result of injuries to the muscles, tendons, and ligaments in the back or it can be related to more serious medical conditions. Heavy lifting is a common cause of back spasms. Any activity that puts excessive strain on the muscles and ligaments in the lower back can cause an injury.
The main causes of abdominal muscle spasms are: 1  Pregnancy spasms and cramping can occur during your uterus changing shape, hormonal changes, stress, over-exercise, implantation of embryo, miscarriage, ectopic pregnancy and labour. 2  Over-exercising-too much exercise and incorrect posture during exercise especially when lifting weights can cause ....hildren and adults can have sporadic abdominal spasms and there are some disorders and diseases that can cause them so it is always best to check for a correct diagnosis. A spasm is the involuntary and sudden contraction of your abdominal muscles and it can lead to mild or severe pain lasting short or long periods.