Lumbar disc herniation is a disease characterized by degenerative changes in the lumbar disc, certain traumatic injuries, chronic strain and other factors that cause partial or complete rupture of the lumbar disc fibrous ring, together with the nucleus pulposus to bulge outward, stimulating or compressing the nerve roots and other tissues, causing low back pain, accompanied by radiating pain symptoms in the sciatic nerve. What kind of people do lumbar disc herniation love to find? Mostly occurs between 20~40 years old, men, overly obese or too thin people, labor-intensive workers, office workers and often standing salesmen, textile workers, etc. How to prevent lumbar disc protrusion in long-term sitters? 1, pay attention to the correct posture of the lumbar region at work; 2, pay attention to rest, combine work and rest, prevent excessive fatigue; 3, prevent the lumbar region from being stimulated by trauma and cold and other undesirable factors; 4, appropriate physical exercise, especially to strengthen the lumbar muscle exercise. These measures can effectively prevent and slow down the lumbar muscles and intervertebral disc strain: 1, from time to time to change the posture: in a position to continue to work for too long, should be appropriate to stretch the waist, hammer waist, so that the waist of the tension of the liberation for a moment, to prevent fatigue of the lumbar muscles. 2, the correct table and chair height and sitting posture: long-term seated work should pay attention to adjust the height of the table and chair, sitting posture and the height of the table and chair to comfortable. Or put a small cushion pillow in the lumbar part of the backrest chair to keep the waist straight and relaxed lumbar muscles. Timely change sitting posture, feel lumbar pain and discomfort, timely rest or get up for a walk indoors, change the work posture. 3, correct reading posture: can be used as far as possible before the high and low tilted desktop (similar to the drafting table), can reduce the degree of waist forward flexion. 4, correct bending: bending over to carry heavy objects, bending over to hold children, sudden twisting waist and other actions may damage the muscles of the waist as well as the lumbar intervertebral discs. If lifting heavy objects should be bent knees squatting, the body leaning forward, so that the gravity is shared in the leg muscles to reduce the burden on the waist; at the same time, should gradually increase the force to prevent the sudden force on the waist. 5, interval exercise: the appropriate exercise of the waist, can promote lumbar blood circulation, relieve lumbar muscle spasm, strengthen the waist. For patients with lumbar pain symptoms, the amplitude and volume of interval exercises should be reduced, or even stop interval exercises. When physical exercise, prepare fully first to prevent lumbar sprain.