Stiffness of waist and lordosis disappeared

Patients with acute lumbar sprains were found to have stiff waists, disappeared lumbar lordosis, and may have scoliosis and iliac spinal spasm. Obvious tenderness points can be found at the injury site. Acute lumbar sprain is an acute laceration caused by sudden excessive pulling of soft tissues such as lumbar muscles, fascia, and ligaments due to external forces. It often occurs when lifting heavy objects and contracting lumbar muscles.