Muscle Spasms – Why do they happen ?Muscle spasms, which can upset any part of the body, are an uncontrolled contraction in the muscle tissue. Subject to the muscle’s dimensions and location, it might be piercingly excruciating or nearly unnoticeable. In principle, a cramp is a type of muscle spasm that is transitory and tends to relax comparatively rapidly, but the two terms are frequently used interchangeably. There are many kinds of spasms and numerous unalike fundamental causes, so identifying repeated incidents is,every now and then,a difficult endeavour. An effective treatment might come from physical therapy, dietary modifications, medical mediation, or some combination thereof.Most muscle spasms comprise one of two groups. There may not be sufficient electrolytes(chemicals needed for a muscle to function correctly), which can cause nerve signals to travel erroneously. On the other hand, the nerve that activates the muscle might be in the wrong, whether due to an issue with the nerve proper or with the brain. The common issue is that the muscle is contracting improperly and without the individual’s control.Remote or momentary incidences of spasms are almost certainly the result of the muscle being wounded or stressed. At the end of a running competition, for instance, a runner may be plagued with spasms due to the fact that his or her body is exhausted of water and vital electrolytes. The chief electrolytes(conductors of electricity) in the body are magnesium, calcium, and potassium. Excess exercise, predominantly with poorly-conditioned muscles, can also instigate a spasm.A reaction to some elements, such as the toxin known as strychnine, can cause muscles to have an uncontrollable fit. The venom of certain animals may also yield comparable effects by disturbing the function of the nerves. When the nerves are injured, as in the case of a violent traumatic event, or a debilitating disorder like multiple sclerosis, the brain or vertebral column can cause the muscles to spasm violently. Professional Guide to Diseases. 10th ed. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins, 2013.