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.
Causes of Back Muscle Spasms Video. Muscle spasms in the back can be caused by a muscle strain, a sprained muscle, or an underlying condition. Treatment for Back Pain Flare-Ups Video. Learn about treatments for low back pain, including proper methods for controlling inflammation, strength training, medications and more.he first step to getting to the bottom of what your back is telling you and to feeling better is to determine the cause of your back muscle spasm. Muscles spasms occur: 1  As a result of the muscles trying to protect themselves from a muscle strain or sprain or. 2  In response to an underlying condition.