There is no difference between the lumbar disc and the lumbar disc, because under normal circumstances there is an intervertebral disc in the lumbar spine, in medical terminology the full name is called lumbar intervertebral disc, lumbar disc and lumbar disc should mean the lumbar disc or some people are read into the lumbar disc. Under normal circumstances between the two bones in the lumbar spine there are fibrous rings and cartilage, fibrous rings and cartilage constitute the lumbar intervertebral discs, lumbar intervertebral discs are actually elastic pads that play a cushioning role in the human spine, which can make the human body in the process of walking or sports, to avoid direct impact from the soles of the feet or the corresponding parts of the brain directly damaged. So between each vertebra is an elastic fibrous ring, plus the elastic cartilage and constitute the lumbar intervertebral disc, it is like an elastic cushion to cushion the pressure.