What causes acute lumbar sprain?

Acute lumbar sprain is an acute laceration of the lumbar muscles, fascia, ligaments and other soft tissues caused by sudden excessive strain due to external forces, often occurring in the following situations: walking and slipping, jumping, flashing and twisting the body, running-induced muscle and ligament strains, but also often occurs in the process of lifting heavy objects with excessive force or improper posture, improper coordination, resulting in strong contraction of the muscles of the lumbar region caused by injury and tearing of the fascia, ligaments, muscles, small vertebral joints and joint capsule.