When you exert a lot of energy or strain the muscles of the back, it is quite natural to have back spasms. Some of the work we do around, such as heavy load lifting, or even working out, or taking part in high sporty activities too can lead to back spasms. You are more prone to the attack when the body is not hydrated well, which is why before you start your workout, your gym instructor would always ask you to sip some water. Medically speaking, back spasms also happen when the amounts of calcium or potassium in the body…