Back pain is one thing most likely to elicit a twinge of sympathy from the hardest of hearts. It is estimated that every person in the world will suffer from it in his/her lifetime – mild to serious, chronic or temporary. You could get an attack at any point along the spine, especially the lower back area which takes on the maximum weight and stress. Most common causes: strain or bruising of muscles; sprain or injury to ligaments; and spasms when the injured muscle knots up as part of the body