* Caused by the vertebras and the tissues around disease, such as Lumbar Sprains and Strain, Lumbar Disc Disease, Spina Stenosis, Partial Injuries, Wound, Oedema and Muscle Spasm ...

* Caused by pathological changes of spinal cord and nerve in the spine canal, such as spinal cord or nerve tumour and inflammation.

* Caused by some bowel diseases, such as female's pelvic pathological changes, uterus and ovary inflammations, tumour, particular gravidity ... All the cases above will cause back pain in different degrees.

* Caused by spiritual reasons, such as hysteria. The patients who are suffering the hysteria will probably get back pain but there is nothing special when doing the inspections.