Thoracolumbar and lumbar lordosis disappear

X-ray plain film of acute lumbar back sprain mainly shows the disappearance of the physiological lordosis of the lower thorax and lumbar spine and the sign of lateral curvature, which is generally not accompanied by other changes. Acute sprains of the lower back are commonly known in the folks as "flash waist", and are more common in clinical practice, especially for manual laborers. Occasionally, they occur accidentally in sports or labor without preparing for physical activity in advance. Perennial office.