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.
Answer: Muscle spasm results from inflammation that occurs when a muscle is overstretched or torn. It begins as a muscle strain, which doesn't sound like a serious injury, but it can cause severe low back pain. Many people go to the emergency room each year because of a muscle strain.In fact, most episodes of acute lower back pain are caused by damage to the muscles and/or ligaments in the low back.any people go to the emergency room each year because of a muscle strain. In fact, most episodes of acute lower back pain are caused by damage to the muscles and/or ligaments in the low back.