This occurs commonly in sports like weight lifting, football, basketball, baseball or golf that require pushing or pulling or sudden twisting of the back.The risk of back spasm goes up if you have:A pelvis that tips forward more than normalAny back weakness such as arthritis, spondylolysis, spondylolisthesis, disk rupture, spinal stenosis, or a tumorLordosisTight hamstrings, the tendons that run d