DISEASES AND DISORDERS THAT CAN BE TREATED WITH ACUPUNCTURE
Over 80% of the population will suffer from lower back pain during their lives. Most cases of lower back pain can be linked to a general cause—such as muscle strain, injury, or overuse—or can be attributed to a specific condition of the spine, most commonly:
A number of less common conditions can cause low back pain as well, such as sacroiliac joint dysfunction, spinal tumors, fibromyalgia, and piriformis syndrome.
ref
https://www.spine-health.com/conditions/lower-back-pain
