There are a total of five lumbar vertebrae, from top to bottom are lumbar 1, lumbar 2, lumbar 3, lumbar 4, lumbar 5, the middle of each lumbar vertebra is connected by the intervertebral disc, and there are ligaments around, such as the anterior longitudinal ligament in front, the back of the vertebral body has the posterior longitudinal ligament, the vertebral body has the yellow ligament next to the vertebral arch, the middle of the posterior spinous process may have the interspinous ligament and the supraspinous ligament connected, this is its connection, and then the lumbar vertebrae, each vertebra has In the back, there is a protrusion called the spinous process that can be felt on the back, and on both sides of the spinous process, there are two spinous processes in the middle of each lumbar vertebra to both sides, and the transverse process of the third lumbar vertebra is longer. The transverse process of the third lumbar vertebra is longer than normal, and when we sit, the lumbar 3 transverse process may be heavily weighted, which is prone to some damage. The symptoms of lumbar 3 transverse process syndrome are very common in clinical practice, and the lumbar spine is composed of five vertebrae with an intervertebral disc in the middle.