Lumbar stretching orthopedics has the effect of relieving fatigue, resetting the small joints of the spine, and promoting partial disc retraction, among other things. The specific effects are as follows: 1. Relieving fatigue: this type of treatment can be adopted for patients who suffer from muscle spasm or excessive fatigue in the lumbar region due to factors such as prolonged sitting or standing or coldness in the lumbar region, etc. This type of treatment can alleviate the above pathological changes. This type of treatment can alleviate the above mentioned pathological changes. 2. Reset the small joints of the spine: some patients may suffer from trauma to the lumbar spine or poor posture, which may lead to misalignment of the small joints. In this case, the small joints can be reset through the orthopedic manipulation treatment mentioned above. 3. Promote the partial retraction of intervertebral discs: For patients with mild to moderate lumbar herniated discs, the orthopedic manipulation mentioned above can be adopted after a period of conservative treatment to accelerate their recovery. At this time, the herniated disc will be pulled, the pressure will be reduced, so that its internal negative pressure, and then make the herniated nucleus pulposus partially retracted. However, patients should be reminded that this type of treatment must be performed in a regular medical institution to prevent complications such as lumbar spine injury or nerve root compression.