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.
Contents. 1  Back spasm AND Lower back pain: Causes of All Symptoms. 2  Back spasm OR Lower back pain: 75 causes. 3  Back spasm: Causes. 4  Back spasm: Introduction. 5  Lower back pain: 73 causes. 6  Lower back pain: Introduction. 7  Back spasm and Lower back pain and Back burning sensation (2 causes) 8  Back spasm and Lower back pain and Back numbness (2 causes) Back spasm and Lower back pain and Back pain (2 causes) Back spasm and Lower back pain and Back paralysis (2 causes) Back spasm and Lower back pain and Back symptoms (2 causes) Back spasm and Lower back pain and Back tingling/ paresthesias (2 causes) Back spasm and Lower back pain and Back weakness (2 causes) Back spasm and Lower back pain and Movement symptoms (2 causes) Back spasm and Lower back pain and Musculoskeletal symptoms ...