Symptoms of lumbar spondylolisthesis include lumbago, sciatica, numbness of the lower limbs, and decreased muscle strength of the lower limbs. 1. Lumbago: it is the symptom that most patients have, and it is often the first symptom, and most of them have repeated lumbago, and then leg pain. In some patients, lumbago and leg pain appear at the same time, and some patients only have leg pain without lumbago. 2. Sciatica: Most patients with mildly bulging lumbar intervertebral discs will have sciatica, which usually occurs in lumbar 4 and 5. Sciatica usually occurs gradually, starting as a dull pain, and then can be significantly aggravated, showing radiating pain, and then affecting the buttocks or the back of the thighs and other parts of the health. 3. Lower limb numbness: when the lumbar disc herniation stimulates the proprioceptive and tactile fibers, it causes limb numbness, and the numbness sensory area is distributed according to the innervation area. 4. Decreased muscle power of the lower limbs: the bulging lumbar intervertebral disc damages the nerve roots, resulting in different degrees of paralysis of the innervated muscles. In mild cases, the muscle strength is weakened, in severe cases, the muscle loses its function, but the limb paralysis caused by the lumbar bulging disc is rare. If you find that you have symptoms of lumbar disc bulging, it is important to consult a doctor in time to avoid aggravation of the bulging phenomenon.